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(1)	Latin America GCB consists of Citi’s consumer banking business in Mexico.

(2)	Asia GCB includes the results of operations of GCB activities in certain EMEA countries for all periods presented.

(3)	North America includes the U.S., Canada and Puerto Rico, Latin America includes Mexico and Asia includes Japan.

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(1)	The first quarter of 2018 reflects the impact of Tax Reform. For additional information on Tax Reform, including the impact on Citi’s fourth quarter and full-year 2017 results, see Citi’s 2017 Annual Report on Form 10-K.

(2)	See Note 2 to the Consolidated Financial Statements for additional information on Citi’s discontinued operations.

(3)	The return on average common stockholders’ equity is calculated using net income less preferred stock dividends divided by average common stockholders’ equity. The return on average total Citigroup stockholders’ equity is calculated using net income divided by average Citigroup stockholders’ equity.

(4)

Citi’s reportable Common Equity Tier 1 (CET1) Capital and Tier 1 Capital ratios were the lower derived under the U.S. Basel III Standardized Approach at March 31, 2018, and U.S. Basel III Advanced Approaches at March 31, 2017. Citi’s reportable Total Capital ratios were derived under the U.S. Basel III Advanced Approaches for both periods presented. This reflects the U.S. Basel III requirement to report the lower of risk-based capital ratios under both the Standardized Approach and Advanced Approaches in accordance with the Collins Amendment of the Dodd-Frank Act.

(5)	Citi’s risk-based capital and leverage ratios as of March 31, 2017 are non-GAAP financial measures, which reflect full implementation of regulatory capital adjustments and deductions prior to the effective date of January 1, 2018.

(6)	Dividends declared per common share as a percentage of net income per diluted share.

(7)	Total common dividends declared plus common stock repurchases as a percentage of net income available to common shareholders. See “Consolidated Statement of Changes in Stockholders’ Equity,” Note 9 to the Consolidated Financial Statements and “Equity Security Repurchases” below for the component details.

(8)	For information on TBV, see “Capital Resources—Tangible Common Equity, Book Value Per Share, Tangible Book Value Per Share and Returns on Equity” below.

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(1)	Asia GCB includes the results of operations of GCB activities in certain EMEA countries for all periods presented.

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(1)	Asia GCB includes the results of operations of GCB activities in certain EMEA countries for all periods presented.

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(1)	The supplemental information presented in the table above reflects Citigroup’s consolidated GAAP balance sheet by reporting segment as of March 31, 2018. The respective segment information depicts the assets and liabilities managed by each segment as of such date.

(2)	Consolidating eliminations for total Citigroup and Citigroup parent company assets and liabilities are recorded within Corporate/Other.

(3)	The total stockholders’ equity and the majority of long-term debt of Citigroup reside in the Citigroup parent company Consolidated Balance Sheet. Citigroup allocates stockholders’ equity and long-term debt to its businesses through inter-segment allocations as shown above.

(4)	Represents the attribution of Citigroup’s liquid assets (primarily consisting of cash, marketable equity securities, and available-for-sale debt securities) to the various businesses based on Liquidity Coverage Ratio (LCR) assumptions.

(5)	Corporate/Other equity represents noncontrolling interests.

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(1)	Includes both Citi-branded cards and Citi retail services.

(2)	Reflects the impact of FX translation into U.S. dollars at the first quarter of 2018 average exchange rates for all periods presented.

(3)	Presentation of this metric excluding FX translation is a non-GAAP financial measure.

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(1)	Reflects the impact of FX translation into U.S. dollars at the first quarter of 2018 average exchange rates for all periods presented.

(2)	Presentation of this metric excluding FX translation is a non-GAAP financial measure.

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(1)	Asia GCB includes the results of operations of GCB activities in certain EMEA countries for all periods presented.

(2)	Reflects the impact of FX translation into U.S. dollars at the first quarter of 2018 average exchange rates for all periods presented.

(3)	Presentation of this metric excluding FX translation is a non-GAAP financial measure.

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(1)

Credit derivatives are used to economically hedge a portion of the corporate loan portfolio that includes both accrual loans and loans at fair value. Gains (losses) on loan hedges include the mark-to-market on the credit derivatives and the mark-to-market on the loans in the portfolio that are at fair value. The fixed premium costs of these hedges are netted against the corporate lending revenues to reflect the cost of credit protection. Citigroup’s results of operations excluding the impact of gains (losses) on loan hedges are non-GAAP financial measures.

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(1)	As of March 31, 2018 and December 31, 2017, Citi’s reportable Common Equity Tier 1 Capital and Tier 1 Capital ratios were the lower derived under the Basel III Standardized Approach, whereas the reportable Total Capital ratio was the lower derived under the Basel III Advanced Approaches framework.

(2)	Citi’s risk-based capital and leverage ratios and related components as of December 31, 2017 are non-GAAP financial measures, which reflect full implementation of regulatory capital adjustments and deductions prior to the effective date of January 1, 2018.

(3)	Tier 1 Leverage ratio denominator.

(4)	Supplementary Leverage ratio denominator.

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(1)	Issuance costs of $184 million related to noncumulative perpetual preferred stock outstanding at March 31, 2018 and December 31, 2017 are excluded from common stockholders’ equity and netted against such preferred stock in accordance with Federal Reserve Board regulatory reporting requirements, which differ from those under U.S. GAAP.

(2)	Common Equity Tier 1 Capital is adjusted for accumulated net unrealized gains (losses) on cash flow hedges included in AOCI that relate to the hedging of items not recognized at fair value on the balance sheet.

(3)	The cumulative impact of changes in Citigroup’s own creditworthiness in valuing liabilities for which the fair value option has been elected, and own-credit valuation adjustments on derivatives, are excluded from Common Equity Tier 1 Capital, in accordance with the U.S. Basel III rules.

(4)	Includes goodwill “embedded” in the valuation of significant common stock investments in unconsolidated financial institutions.

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(5)

Of Citi’s $23.0 billion of net DTAs at March 31, 2018, $11.0 billion were includable in Common Equity Tier 1 Capital pursuant to the U.S. Basel III rules, while $12.0 billion were excluded. Excluded from Citi’s Common Equity Tier 1 Capital as of March 31, 2018 was $12.8 billion of net DTAs arising from net operating loss, foreign tax credit and general business credit carry-forwards, which was reduced by $0.8 billion of net DTLs primarily associated with goodwill and certain other intangible assets. Separately, under the U.S. Basel III rules, goodwill and these other intangible assets are deducted net of associated DTLs in arriving at Common Equity Tier 1 Capital. DTAs arising from net operating loss, foreign tax credit and general business credit carry-forwards are required to be entirely deducted from Common Equity Tier 1 Capital under the U.S. Basel III rules. Commencing with December 31, 2017, Citi’s DTAs arising from temporary differences were less than the 10% limitation under the U.S. Basel III rules and therefore not subject to deduction from Common Equity Tier 1 Capital, but are subject to risk-weighting at 250%.

(6)	Represents Citigroup Capital XIII trust preferred securities, which are permanently grandfathered as Tier 1 Capital under the U.S. Basel III rules.

(7)

Banking entities are required to be in compliance with the Volcker Rule of the Dodd-Frank Act, which prohibits conducting certain proprietary investment activities and limits their ownership of, and relationships with, covered funds. Accordingly, Citi is required by the Volcker Rule to deduct from Tier 1 Capital all permitted ownership interests in covered funds that were acquired after December 31, 2013.

(8)	50% of the minimum regulatory capital requirements of insurance underwriting subsidiaries must be deducted from each of Tier 1 Capital and Tier 2 Capital.

(9)	Represents the amount of non-grandfathered trust preferred securities eligible for inclusion in Tier 2 Capital under the U.S. Basel III rules, which will be fully phased-out of Tier 2 Capital by January 1, 2022.

(10)

Under the Standardized Approach, the allowance for credit losses is eligible for inclusion in Tier 2 Capital up to 1.25% of credit risk-weighted assets, with any excess allowance for credit losses being deducted in arriving at credit risk-weighted assets, which differs from the Advanced Approaches framework, in which eligible credit reserves that exceed expected credit losses are eligible for inclusion in Tier 2 Capital to the extent the excess reserves do not exceed 0.6% of credit risk-weighted assets. The total amount of eligible credit reserves in excess of expected credit losses that were eligible for inclusion in Tier 2 Capital, subject to limitation, under the Advanced Approaches framework was $1.4 billion and $1.5 billion at March 31, 2018 and December 31, 2017, respectively.

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(1)	General credit risk exposures include cash and balances due from depository institutions, securities, and loans and leases. General credit risk exposures increased during the three months ended March 31, 2018 primarily due to corporate loan growth.

(2)	Repo-style transactions include repurchase or reverse repurchase transactions and securities borrowing or securities lending transactions.

(3)	OTC derivatives increased during the three months ended March 31, 2018 primarily due to increased notional amounts for bilateral trades resulting from increased seasonal business activity.

(4)	Other exposures include cleared transactions, unsettled transactions, and other assets. Other exposures increased during the three months ended March 31, 2018 primarily due to additional DTAs arising from temporary differences, which are subject to risk-weighting at 250%.

(5)	Off-balance sheet exposures increased during the three months ended March 31, 2018 primarily due to an increase in commitments to extend credit that will drive future corporate loan growth.

(6)	Risk levels increased during the three months ended March 31, 2018 primarily due to increases in exposure levels subject to Stressed Value at Risk and Value at Risk.

(7)	Risk-weighted assets declined during the three months ended March 31, 2018 primarily due to methodology changes for standard specific risk charges.

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(1)	Retail exposures decreased during the three months ended March 31, 2018 primarily due to reductions in qualifying revolving (cards) exposures attributable to seasonal holding spending repayments.

(2)	Wholesale exposures increased during the three months ended March 31, 2018 primarily due to increases in commercial loans and loan commitments.

(3)	Repo-style transactions include repurchase or reverse repurchase transactions and securities borrowing or securities lending transactions.

(4)	OTC derivatives increased during the three months ended March 31, 2018 primarily due to increases in notional amounts, potential future exposure and fair value for bilateral trades.

(5)	Derivatives CVA increased during the three months ended March 31, 2018 primarily due to increased volatility and exposures.

(6)	Other exposures include cleared transactions, unsettled transactions, assets other than those reportable in specific exposure categories and non-material portfolios. Other exposures increased during the three months ended March 31, 2018 primarily due to additional temporary difference deferred tax assets subject to risk weighting.

(7)	Supervisory 6% multiplier does not apply to derivatives CVA.

(8)	Risk levels increased during the three months ended March 31, 2018 primarily due to increases in exposure levels subject to Stressed Value at Risk and Value at Risk.

(9)	Risk-weighted assets declined during the three months ended March 31, 2018 primarily due to methodology changes for standard specific risk charges.

(10)	Operational risk-weighted assets decreased during the three months ended March 31, 2018 primarily due to changes in operational loss severity and frequency.

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(1)	Represents the daily average of on-balance sheet assets for the quarter.

(2)	Represents the average of certain off-balance sheet exposures calculated as of the last day of each month in the quarter.

(3)	Under the U.S. Basel III rules, banking organizations are required to include in TLE the effective notional amount of sold credit derivatives, with netting of exposures permitted if certain conditions are met.

(4)	Repo-style transactions include repurchase or reverse repurchase transactions and securities borrowing or securities lending transactions.

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(1)

Under the Advanced Approaches framework, eligible credit reserves that exceed expected credit losses are eligible for inclusion in Tier 2 Capital to the extent the excess reserves do not exceed 0.6% of credit risk-weighted assets, which differs from the Standardized Approach in which the allowance for credit losses is eligible for inclusion in Tier 2 Capital up to 1.25% of credit risk-weighted assets, with any excess allowance for credit losses being deducted in arriving at credit risk-weighted assets.

(2)	Citibank’s risk-based capital and leverage ratios and related components as of December 31, 2017 are non-GAAP financial measures, which reflect full implementation of regulatory capital adjustments and deductions prior to the effective date of January 1, 2018.

(3)

As of March 31, 2018, Citibank’s reportable Common Equity Tier 1 Capital, Tier 1 Capital and Total Capital ratios were the lower derived under the Basel III Standardized Approach. As of December 31, 2017, Citibank’s reportable Common Equity Tier 1 Capital and Tier 1 Capital ratios were the lower derived under the Basel III Standardized Approach, whereas the reportable Total Capital ratio was the lower derived under the Basel III Advanced Approaches framework.

(4)

Citibank must maintain minimum Common Equity Tier 1 Capital, Tier 1 Capital, Total Capital and Tier 1 Leverage ratios of 6.5%, 8.0%, 10.0% and 5.0%, respectively, to be considered “well capitalized” under the revised Prompt Corrective Action (PCA) regulations applicable to insured depository institutions as established by the U.S. Basel III rules. Effective January 1, 2018, Citibank must also maintain a minimum Supplementary Leverage ratio of 6.0% to be considered “well capitalized.” For additional information, see “Capital Resources—Current Regulatory Capital Standards—Prompt Corrective Action Framework” in Citigroup’s 2017 Annual Report on Form 10-K.

(5)	Tier 1 Leverage ratio denominator.

(6)	Supplementary Leverage ratio denominator.

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(1)	Average common stockholders’ equity for the three months ended March 31, 2018 includes the $22.6 billion impact from Tax Reform recorded at the end of the fourth quarter of 2017.

(2)	ROTCE represents annualized net income available to common shareholders as a percentage of average TCE.

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(1)	For additional information regarding certain credit risk, market risk and other quantitative and qualitative information, refer to Citi’s Pillar 3 Basel III Advanced Approaches Disclosures, as required by the rules of the Federal Reserve Board, on Citi’s Investor Relations website.

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(1)	End-of-period loans include interest and fees on credit cards.

(2)	Asia includes loans and leases in certain EMEA countries for all periods presented.

(3)	Primarily consists of legacy assets, principally North America consumer mortgages.

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(1)	End-of-period (EOP) loans include interest and fees on credit cards.

(2)	The ratios of 90+ days past due and 30–89 days past due are calculated based on EOP loans, net of unearned income.

(3)	The 90+ days past due balances for North America—Citi-branded and North America—Citi retail services are generally still accruing interest. Citigroup’s policy is generally to accrue interest on credit card loans until 180 days past due, unless notification of bankruptcy filing has been received earlier.

(4)

The 90+ days past due and 30–89 days past due and related ratios for GCB North America exclude U.S. mortgage loans that are guaranteed by U.S. government-sponsored entities since the potential loss predominantly resides within the U.S. government-sponsored entities. The amounts excluded for loans 90+ days past due and (EOP loans) were $272 million ($0.9 billion), $298 million ($0.7 billion) and $313 million ($0.8 billion) at March 31, 2018, December 31, 2017 and March 31, 2017, respectively. The amounts excluded for loans 30–89 days past due (EOP loans have the same adjustment as above) were $92 million, $88 million and $84 million at March 31, 2018, December 31, 2017 and March 31, 2017, respectively.

(5)	Asia includes delinquencies and loans in certain EMEA countries for all periods presented.

(6)

The 90+ days past due and 30–89 days past due and related ratios for Corporate/Other—North America consumer exclude U.S. mortgage loans that are guaranteed by U.S. government-sponsored entities since the potential loss predominantly resides within the U.S. government-sponsored entities. The amounts excluded for loans 90+ days past due (and EOP loans) were $0.5 billion ($0.9 billion), $0.6 billion ($1.1 billion) and $0.8 billion ($1.4 billion) at March 31, 2018, December 31, 2017 and March 31, 2017, respectively. The amounts excluded for loans 30–89 days past due (EOP loans have the same adjustment as above) for each period were $0.1 billion, $0.1 billion and $0.1 billion at March 31, 2018, December 31, 2017 and March 31, 2017, respectively.

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(7)	The March 31, 2018, December 31, 2017 and March 31, 2017 loans 90+ days past due and 30–89 days past due and related ratios for North America exclude $4 million, $4 million and $7 million, respectively, of loans that are carried at fair value.

(1)	Average loans include interest and fees on credit cards.

(2)	The ratios of net credit losses are calculated based on average loans, net of unearned income.

(3)

In October 2016, Citi entered into agreements to sell Citi’s Brazil and Argentina consumer banking businesses and classified these businesses as HFS. The sale of the Argentina consumer banking business was completed at the end of the first quarter 2017. As a result of HFS accounting treatment, approximately $40 million and $13 million of net credit losses (NCLs) were recorded as a reduction in revenue (Other revenue) during the first quarter of 2017 and fourth quarter of 2017, respectively. Accordingly, these NCLs are not included in this table. Loans classified as HFS are excluded from this table as they are recorded in Other assets.

(4)	Asia includes NCLs and average loans in certain EMEA countries for all periods presented.

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(1)	Includes drawn loans, overdrafts, bankers’ acceptances and leases.

(2)	Includes unused commitments to lend, letters of credit and financial guarantees.

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(1)	Loans secured primarily by real estate.

(2)	Unearned income on consumer loans primarily represents unamortized origination fees and costs, premiums and discounts.

(3)	Unearned income on corporate loans primarily represents interest received in advance, but not yet earned, on loans originated on a discounted basis.

(4)	All periods exclude loans that are carried at fair value.

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(1)	Recoveries have been reduced by certain collection costs that are incurred only if collection efforts are successful.

(2)	Includes all adjustments to the allowance for credit losses, such as changes in the allowance from acquisitions, dispositions, securitizations, FX translation, purchase accounting adjustments, etc.

(3)	The first quarter of 2018 includes a reduction of approximately $55 million related to the sale or transfer to held-for-sale (HFS) of various loan portfolios, including a reduction of $53 million related to the transfer of a real estate loan portfolio to HFS. Additionally, the first quarter includes an increase of approximately $118 million related to FX translation.

(4)	The fourth quarter of 2017 includes a reduction of approximately $47 million related to the sale or transfer to HFS of various loan portfolios, including a reduction of $22 million related to the transfer of a real estate loan portfolio to HFS. Additionally, the fourth quarter includes a decrease of approximately $106 million related to FX translation.

(5)	The third quarter of 2017 includes a reduction of approximately $34 million related to the sale or transfer to HFS of various loan portfolios, including a reduction of $28 million related to the transfer of a real estate loan portfolio to HFS. Additionally, the third quarter includes an increase of approximately $7 million related to FX translation.

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(6)	The second quarter of 2017 includes a reduction of approximately $19 million related to the sale or transfer to HFS of various loan portfolios, including a reduction of $19 million related to the transfer of a real estate loan portfolio to HFS. Additionally, the second quarter includes an increase of approximately $50 million related to FX translation.

(7)	The first quarter of 2017 includes a reduction of approximately $161 million related to the sale or transfer to HFS of various loan portfolios, including a reduction of $37 million related to the transfer of a real estate loan portfolio to HFS. Additionally, the first quarter includes an increase of approximately $164 million related to FX translation.

(8)	March 31, 2018, December 31, 2017, September 30, 2017, June 30, 2017, and March 31, 2017 exclude $4.5 billion, $4.9 billion, $4.3 billion, $4.2 billion and $4.0 billion, respectively, of loans which are carried at fair value.

(9)	Represents additional credit reserves recorded as Other liabilities on the Consolidated Balance Sheet.

(10)

Allowance for loan losses represents management’s best estimate of probable losses inherent in the portfolio, as well as probable losses related to large individually evaluated impaired loans and troubled debt restructurings. See “Significant Accounting Policies and Significant Estimates” and Note 1 to the Consolidated Financial Statements in Citi’s 2017 Annual Report on Form 10-K. Attribution of the allowance is made for analytical purposes only and the entire allowance is available to absorb probable credit losses inherent in the overall portfolio.

(1)	Allowance as a percentage of loans excludes loans that are carried at fair value.

(2)	Includes both Citi-branded cards and Citi retail services. The $6.2 billion of loan loss reserves represented approximately 15 months of coincident net credit loss coverage.

(3)

Of the $0.7 billion, approximately $0.6 billion was allocated to North America mortgages in Corporate/Other. Of the $0.7 billion, approximately $0.2 billion and $0.5 billion are determined in accordance with ASC 450-20 and ASC 310-10-35 (troubled debt restructurings), respectively. Of the $62.2 billion in loans, approximately $58.7 billion and $3.4 billion of the loans are evaluated in accordance with ASC 450-20 and ASC 310-10-35 (troubled debt restructurings), respectively. For additional information, see Note 14 to the Consolidated Financial Statements.

(4)	Includes mortgages and other retail loans.

(1)	Allowance as a percentage of loans excludes loans that are carried at fair value.

(2)	Includes both Citi-branded cards and Citi retail services. The $6.1 billion billion of loan loss reserves represented approximately 16 months of coincident net credit loss coverage.

(3)

Of the $0.7 billion, approximately $0.6 billion was allocated to North America mortgages in Corporate/Other. Of the $0.7 billion, approximately $0.2 billion and $0.5 billion are determined in accordance with ASC 450-20 and ASC 310-10-35 (troubled debt restructurings), respectively. Of the $64.2 billion in loans, approximately $60.4 billion and $3.7 billion of the loans are evaluated in accordance with ASC 450-20 and ASC 310-10-35 (troubled debt restructurings), respectively. For additional information, see Note 14 to the Consolidated Financial Statements.

(4)	Includes mortgages and other retail loans.

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(1)	Excludes purchased distressed loans, as they are generally accreting interest. The carrying value of these loans was $126 million at March 31, 2018, $167 million at December 31, 2017, $177 million at September 30, 2017, $183 million at June 30, 2017 and $194 million at March 31, 2017.

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(1)	The allowance for loan losses includes the allowance for Citi’s credit card portfolios and purchased distressed loans, while the non-accrual loans exclude credit card balances (with the exception of certain international portfolios) and purchased distressed loans as these continue to accrue interest until charge-off.

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(1)	Foreign government debt includes securities issued or guaranteed by foreign sovereigns, agencies and multilateral development banks. Foreign government debt securities are held largely to support local liquidity requirements and Citi’s local franchises and principally include government bonds from Hong Kong, Singapore, Korea, India and Mexico.

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(1)

Certain trading-oriented businesses within Citi have accrual-accounted positions that are excluded from the estimated impact to net interest revenue in the table, since these exposures are managed economically in combination with mark-to-market positions. The U.S. dollar interest rate exposure associated with these businesses was $(186) million for a 100 basis point instantaneous increase in interest rates as of March 31, 2018.

(2)	Includes the effect of changes in interest rates on AOCI related to investment securities, cash flow hedges and pension liability adjustments.

(3)	Results as of March 31, 2018 and December 31, 2017 reflect the impact of Tax Reform, including the lower expected effective tax rate and the impact to Citi’s DTA position. Results as of March 31, 2017 have not been restated.

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(1)	Includes the effect of changes in interest rates on AOCI related to investment securities, cash flow hedges and pension liability adjustments.

(1)	FX spot rate change is a weighted average based upon Citi’s quarterly average GAAP capital exposure to foreign countries.

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(1)	Net interest revenue includes the taxable equivalent adjustments related to the tax-exempt bond portfolio (based on the U.S. federal statutory tax rates of 21% in 2018 and 35% in 2017) of $64 million, $128 million, and $123 million for the three months ended March 31, 2018, December 31, 2017 and March 31, 2017, respectively.

(2)	Interest expense associated with certain hybrid financial instruments, which are classified as Long-term debt and accounted for at fair value, is reported together with any changes in fair value as part of Principal transactions in the Consolidated Statements of Income and is therefore not reflected in Interest expense in the table above.

(3)	Citi’s net interest margin (NIM) is calculated by dividing gross interest revenue less gross interest expense by average interest-earning assets.

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(1)	Net interest revenue includes the taxable equivalent adjustments related to the tax-exempt bond portfolio (based on the U.S. federal statutory tax rates of 21% in 2018 and 35% in 2017) of $64 million, $128 million, and $123 million for the three months ended March 31, 2018, December 31, 2018 and March 31, 2017, respectively.

(2)	Interest rates and amounts include the effects of risk management activities associated with the respective asset categories.

(3)	Monthly or quarterly averages have been used by certain subsidiaries where daily averages are unavailable.

(4)	Average rates reflect prevailing local interest rates, including inflationary effects and monetary corrections in certain countries.

(5)	Average volumes of securities borrowed or purchased under agreements to resell are reported net pursuant to ASC 210-20-45. However, Interest revenue excludes the impact of ASC 210-20-45.

(6)	The fair value carrying amounts of derivative contracts are reported net, pursuant to ASC 815-10-45, in Non-interest-earning assets and Other non-interest-bearing liabilities.

(7)	Interest expense on Trading account liabilities of ICG is reported as a reduction of Interest revenue. Interest revenue and Interest expense on cash collateral positions are reported in interest on Trading account assets and Trading account liabilities, respectively.

(8)	Includes cash-basis loans.

(9)	Includes brokerage receivables.

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(1)	Net interest revenue includes the taxable equivalent adjustments related to the tax-exempt bond portfolio (based on the U.S. federal statutory tax rates of 21% in 2018 and 35% in 2017) of $64 million, $128 million, and $123 million for the three months ended March 31, 2018, December 31, 2018 and March 31, 2017, respectively.

(2)	Interest rates and amounts include the effects of risk management activities associated with the respective liability categories.

(3)	Monthly or quarterly averages have been used by certain subsidiaries where daily averages are unavailable.

(4)	Consists of other time deposits and savings deposits. Savings deposits are made up of insured money market accounts, NOW accounts and other savings deposits. The interest expense on savings deposits includes FDIC deposit insurance assessments.

(5)	Average rates reflect prevailing local interest rates, including inflationary effects and monetary corrections in certain countries.

(6)	Average volumes of securities sold under agreements to repurchase are reported net pursuant to ASC 210-20-45. However, Interest expense excludes the impact of ASC 210-20-45.

(7)	The fair value carrying amounts of derivative contracts are reported net, pursuant to ASC 815-10-45, in Non-interest-earning assets and Other non-interest-bearing liabilities.

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(8)	Interest expense on Trading account liabilities of ICG is reported as a reduction of Interest revenue. Interest revenue and Interest expense on cash collateral positions are reported in interest on Trading account assets and Trading account liabilities, respectively.

(9)	Includes brokerage payables.

(10)	Excludes hybrid financial instruments and beneficial interests in consolidated VIEs that are classified as Long-term debt, as the changes in fair value for these obligations are recorded in Principal transactions.

(11)	Includes allocations for capital and funding costs based on the location of the asset.

(1)	The taxable equivalent adjustment is related to the tax-exempt bond portfolio based on the U.S. federal statutory tax rates of 21% in 2018 and 35% in 2017 and is included in this presentation.

(2)	Rate/volume variance is allocated based on the percentage relationship of changes in volume and changes in rate to the total net change.

(3)	Detailed average volume, Interest revenue and Interest expense exclude Discontinued operations. See Note 2 to the Consolidated Financial Statements.

(4)	Changes in average rates reflect changes in prevailing local interest rates, including inflationary effects and monetary corrections in certain countries.

(5)	Interest expense on Trading account liabilities of ICG is reported as a reduction of Interest revenue. Interest revenue and Interest expense on cash collateral positions are reported in interest on Trading account assets and Trading account liabilities, respectively.

(6)	Includes cash-basis loans.

(7)	Includes brokerage receivables.

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(1)	The taxable equivalent adjustment is related to the tax-exempt bond portfolio based on the U.S. federal statutory tax rates of 21% in 2018 and 35% in 2017 and is included in this presentation.

(2)	Rate/volume variance is allocated based on the percentage relationship of changes in volume and changes in rate to the total net change.

(3)	Detailed average volume, Interest revenue and Interest expense exclude Discontinued operations. See Note 2 to the Consolidated Financial Statements.

(4)	Changes in average rates reflect changes in prevailing local interest rates, including inflationary effects and monetary corrections in certain countries.

(5)	Interest expense on Trading account liabilities of ICG is reported as a reduction of Interest revenue. Interest revenue and Interest expense on cash collateral positions are reported in interest on Trading account assets and Trading account liabilities, respectively.

(6)	Includes brokerage payables.

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(1)

Covariance adjustment (also known as diversification benefit) equals the difference between the total VAR and the sum of the VARs tied to each individual risk type. The benefit reflects the fact that the risks within each and across risk types are not perfectly correlated and, consequently, the total VAR on a given day will be lower than the sum of the VARs relating to each individual risk type. The determination of the primary drivers of changes to the covariance adjustment is made by an examination of the impact of both model parameter and position changes.

(2)	The total trading VAR includes mark-to-market and certain fair value option trading positions in ICG, with the exception of hedges to the loan portfolio, fair value option loans and all CVA exposures. Available-for-sale and accrual exposures are not included.

(3)	The specific risk-only component represents the level of equity and fixed income issuer-specific risk embedded in VAR.

(4)

The credit portfolio is composed of mark-to-market positions associated with non-trading business units including Citi Treasury, the CVA relating to derivative counterparties and all associated CVA hedges. FVA and DVA are not included. The credit portfolio also includes hedges to the loan portfolio, fair value option loans and hedges to the leveraged finance pipeline within capital markets origination in ICG.

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(1)	ICG loans reflect funded corporate loans and private bank loans, net of unearned income. As of March 31, 2018, private bank loans in the table above totaled $24.1 billion, concentrated in Hong Kong ($7.1 billion), Singapore ($7.0 billion) and the U.K. ($5.3 billion).

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(2)	GCB loans include funded loans in Colombia related to businesses that were transferred to Corporate/Other as of January 1, 2016.

(3)	Other funded includes other direct exposure such as accounts receivable, loans HFS, other loans in Corporate/Other and investments accounted for under the equity method.

(4)	Unfunded exposure includes unfunded corporate lending commitments, letters of credit and other contingencies.

(5)	Net mark-to-market counterparty risk on OTC derivatives and securities lending/borrowing transactions (repos). Exposures are shown net of collateral and inclusive of CVA. Includes margin loans.

(6)	Investment securities include securities available-for-sale, recorded at fair market value, and securities held-to-maturity, recorded at historical cost.

(7)	Trading account assets are shown on a net basis and include issuer risk on cash products and derivative exposure where the underlying reference entity/issuer is located in that country.

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(1)	Due to rounding, earnings per share on continuing operations and discontinued operations may not sum to earnings per share on net income.

(1)	See Note 1 to the Consolidated Financial Statements.

(2)	For the three months ended March 31, 2018, amount represents the net change in unrealized gains and losses on available-for-sale (AFS) debt securities. Effective January 1, 2018, the AFS category is eliminated for equity securities under ASU 2016-01.

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(1)	See Note 1 to the Consolidated Financial Statements for additional details.

(2)	Common dividends declared were $0.32 per share in the first quarter of 2018 and $0.16 per share in the first quarter of 2017.

(3)	Includes the impact of ASU 2016-09, Compensation—Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting. See Note 1 to the Consolidated Financial Statements.

(4)	Includes treasury stock related to (i) certain activity on employee stock option program exercises where the employee delivers existing shares to cover the option exercise, or (ii) under Citi’s employee restricted or deferred stock programs where shares are withheld to satisfy tax requirements.

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(1)

Includes total revenues, net of interest expense (excluding Corporate/Other), in North America of $8.4 billion and $8.5 billion; in EMEA of $3.2 billion and $2.9 billion; in Latin America of $2.6 billion and $2.3 billion; and in Asia of $4.1 billion and $3.5 billion for the three months ended March 31, 2018 and 2017, respectively. These regional numbers exclude Corporate/Other, which largely operates within the U.S.

(2)	Includes pretax provisions for credit losses and for benefits and claims in the GCB results of $1.9 billion and $1.8 billion; in the ICG results of $(41) million and $(205) million; and in the Corporate/Other results of $(7) million and $52 million for the three months ended March 31, 2018 and 2017, respectively.

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(1)	Interest expense on Trading account liabilities is reported as a reduction of interest revenue from Trading account assets.

(2)	Includes deposit insurance fees and charges of $376 million and $305 million for the three months ended March 31, 2018 and 2017, respectively.

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(1)	Includes $32 million and $33 million of overdraft fees in the first quarter of 2018 and the first quarter of 2017, respectively. Overdraft fees are accounted for under ASC 310.

(2)	Consists primarily of fees earned from structuring and underwriting loan syndications or related financing activity. This activity is accounted for under ASC 310.

(3)	Previously reported as insurance premiums on the Consolidated Statement of Income.

(4)

Commissions and fees includes $(1,545) million and $(1,278) million not accounted for under ASC 606, Revenue from Contracts with Customers, for the first quarters of 2018 and 2017, respectively. Amounts reported in Commissions and fees accounted for under other guidance primarily include card-related loan fees, card reward programs and certain partner payments, corporate finance fees, insurance premiums, and loan servicing fees.

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(1)	Administration and other fiduciary fees includes $153 million and $143 million for the first quarters of 2018 and 2017, respectively, that are not accounted for under ASC 606, Revenue from Contracts with Customers. These amounts include guarantee fees.

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(1)	Primarily relates to foreign exchange risks.

(2)

Includes revenues from government securities and corporate debt, municipal securities, mortgage securities and other debt instruments. Also includes spot and forward trading of currencies and exchange-traded and over-the-counter (OTC) currency options, options on fixed income securities, interest rate swaps, currency swaps, swap options, caps and floors, financial futures, OTC options and forward contracts on fixed income securities.

(3)	Includes revenues from foreign exchange spot, forward, option and swap contracts, as well as foreign currency translation (FX translation) gains and losses.

(4)	Includes revenues from common, preferred and convertible preferred stock, convertible corporate debt, equity-linked notes and exchange-traded and OTC equity options and warrants.

(5)	Primarily includes revenues from crude oil, refined oil products, natural gas and other commodities trades.

(6)	Includes revenues from structured credit products.

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(1)	Losses due to settlement relate to repositioning and divestiture activities.

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(1)	The U.S. qualified pension plan is fully funded pursuant to the Employee Retirement Income Security Act of 1974, as amended (ERISA), funding rules as of January 1, 2018 and no minimum required funding is expected for 2018.

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(1)	See Note 17 to the Consolidated Financial Statements for further discussion of net AOCI balance.

(2)	Includes net-of-tax amounts for certain profit sharing plans outside the U.S.

(3)	Gains due to curtailment and settlement relate to repositioning and divestiture activities.

(4)	In the fourth quarter of 2017, the Company adopted ASU 2018-02, which transferred these amounts from AOCI to Retained earnings. See Note 1 to the 2017 Consolidated Financial Statements.

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(1)	The U.S. pension plans include benefits paid directly by the Company for the nonqualified pension plans.

(2)	Company contributions are composed of cash contributions made to the plans and benefits paid directly by the Company.

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(1)	As of March 31, 2018, Citi estimates it will distribute preferred dividends of approximately $902 million during the remainder of 2018, assuming such dividends are declared by the Citi Board of Directors. During the first quarter of 2018, Citi redeemed all of its 3.8 million Series AA preferred shares for $96.8 million at par value. Citi redeemed its Series E preferred stock in April 2018.

(2)

Warrants issued to the U.S. Treasury as part of the Troubled Asset Relief Program (TARP) and the loss-sharing agreement (all of which were subsequently sold to the public in January 2011), with exercise prices of $178.50 and $104.67 per share for approximately 21.0 million and 25.5 million shares of Citigroup common stock, respectively. Both warrants were not included in the computation of earnings per share in the three months ended March 31, 2018 and 2017 because they were anti-dilutive.

(3)	During the first quarters of 2018 and 2017, weighted-average options to purchase 0.5 million and 0.9 million shares of common stock, respectively, were outstanding, but not included in the computation of earnings per share because the weighted-average exercise prices of $149.41 and $201.01 per share, respectively, were anti-dilutive.

(4)	Due to rounding, common shares outstanding applicable to basic EPS and the effect of dilutive securities may not sum to common shares outstanding applicable to diluted EPS.

(5)	Due to rounding, earnings per share on continuing operations and discontinued operations may not sum to earnings per share on net income.

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(1)	Includes financial instruments subject to enforceable master netting agreements that are permitted to be offset under ASC 210-20-45.

(2)	The total of this column for each period excludes federal funds sold/purchased. See tables above.

(3)	Includes financial instruments subject to enforceable master netting agreements that are not permitted to be offset under ASC 210-20-45, but would be eligible for offsetting to the extent that an event of default has occurred and a legal opinion supporting enforceability of the offsetting right has been obtained.

(4)	Remaining exposures continue to be secured by financial collateral, but the Company may not have sought or been able to obtain a legal opinion evidencing enforceability of the offsetting right.

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(1)	Carried at adjusted amortized cost basis, net of any credit-related impairment.

(2)	Unrealized gains and losses are recognized in earnings.

(3)	Impairment losses and adjustments to the carrying value as a result of observable price changes are recognized in earnings.

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(1)

The Company invests in mortgage-backed and asset-backed securities. These securitizations are generally considered VIEs. The Company’s maximum exposure to loss from these VIEs is equal to the carrying amount of the securities, which is reflected in the table above. For mortgage-backed and asset-backed securitizations in which the Company has other involvement, see Note 18 to the Consolidated Financial Statements.

(2)

In the second quarter of 2017, Citi early adopted ASU 2017-08, Receivables-Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities.  Upon adoption, a cumulative effect adjustment was recorded to reduce retained earnings, effective January 1, 2017, for the incremental amortization of purchase premiums and cumulative fair value hedge adjustments on callable state and municipal debt securities.  For additional information, see Note 1 to the Consolidated Financial Statements.

(3)	Citi adopted ASU 2016-01 and ASU 2018-03 as of January 1, 2018, resulting in a cumulative effect adjustment from AOCI to retained earnings for net unrealized gains on marketable equity securities AFS. The available for sale category is eliminated for equity securities effective January 1, 2018. See Note 1 to the Consolidated Financial Statements for additional details.

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(1)	Citi adopted ASU 2016-01 and ASU 2018-03 as of January 1, 2018, resulting in a cumulative effect adjustment from AOCI to retained earnings for net unrealized gains on marketable equity securities AFS. The available for sale category is eliminated for equity securities effective January 1, 2018. See Note 1 to the Consolidated Financial Statements for additional details.

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(1)	Includes mortgage-backed securities of U.S. government-sponsored agencies.

(2)	Investments with no stated maturities are included as contractual maturities of greater than 10 years. Actual maturities may differ due to call or prepayment rights.

(3)	Includes corporate, asset-backed and other debt securities.

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(1)

For debt securities transferred to HTM from Trading account assets, amortized cost basis is defined as the fair value of the securities at the date of transfer plus any accretion income and less any impairments recognized in earnings subsequent to transfer. For debt securities transferred to HTM from AFS, amortized cost is defined as the original purchase cost, adjusted for the cumulative accretion or amortization of any purchase discount or premium, plus or minus any cumulative fair value hedge adjustments, net of accretion or amortization, and less any other-than-temporary impairment recognized in earnings.

(2)

HTM debt securities are carried on the Consolidated Balance Sheet at amortized cost basis, plus or minus any unamortized unrealized gains and losses and fair value hedge adjustments recognized in AOCI prior to reclassifying the debt securities from AFS to HTM. Changes in the values of these securities are not reported in the financial statements, except for the amortization of any difference between the carrying value at the transfer date and par value of the securities, and the recognition of any non-credit fair value adjustments in AOCI in connection with the recognition of any credit impairment in earnings related to securities the Company continues to intend to hold until maturity.

(3)

The Company invests in mortgage-backed and asset-backed securities. These securitizations are generally considered VIEs. The Company’s maximum exposure to loss from these VIEs is equal to the carrying amount of the securities, which is reflected in the table above. For mortgage-backed and asset-backed securitizations in which the Company has other involvement, see Note 18 to the Consolidated Financial Statements.

(4)

In the second quarter of 2017, Citi early adopted ASU 2017-08, Receivables-Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities.  Upon adoption, a cumulative effect adjustment was recorded to reduce retained earnings, effective January 1, 2017, for the incremental amortization of purchase premiums and cumulative fair value hedge adjustments on callable state and municipal debt securities.  For additional information, see Note 1 to the Consolidated Financial Statements.

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(1)	Investments with no stated maturities are included as contractual maturities of greater than 10 years. Actual maturities may differ due to call or prepayment rights.

(2)	Includes corporate and asset-backed securities.

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(1)	For the three months ended March 31, 2018, amounts represent AFS debt securities. Effective January 1, 2018, the AFS category is eliminated for equity securities. See Note 1 to the Consolidated Financial Statements for additional details.

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(1)	Includes OTTI on non-marketable equity securities.

(1)	Includes $18 million in cumulative OTTI reclassified from HTM to AFS due to the transfer of the related debt securities from HTM to AFS. Citi adopted ASU 2017-12, Targeted Improvements to Accounting for Hedge Activities, on January 1, 2018 and transferred approximately $4 billion of HTM debt securities into AFS classification as permitted as a one-time transfer under the standard.

(2)	Primarily consists of Prime securities.

(3)	Primarily consists of Alt-A securities.

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(1)	Primarily consists of Alt-A securities.

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(1)	Private equity funds include funds that invest in infrastructure, emerging markets and venture capital.

(2)

With respect to the Company’s investments in private equity funds and real estate funds, distributions from each fund will be received as the underlying assets held by these funds are liquidated. It is estimated that the underlying assets of these funds will be liquidated over a period of several years as market conditions allow. Private equity and real estate funds do not allow redemption of investments by their investors. Investors are permitted to sell or transfer their investments, subject to the approval of the general partner or investment manager of these funds, which generally may not be unreasonably withheld.

(3)	Includes several real estate funds that invest primarily in commercial real estate in the U.S., Europe and Asia.

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(1)	Loans less than 30 days past due are presented as current.

(2)	Includes $23 million of residential first mortgages recorded at fair value.

(3)	Excludes loans guaranteed by U.S. government-sponsored entities.

(4)	Consists of residential first mortgages that are guaranteed by U.S. government-sponsored entities that are 30–89 days past due of $0.2 billion and 90 days or more past due of $0.8 billion.

(5)	Includes approximately $0.1 billion of residential first mortgage loans in process of foreclosure.

(6)	Includes approximately $0.1 billion of home equity loans in process of foreclosure.

(7)	Fixed-rate home equity loans and loans extended under home equity lines of credit, which are typically in junior lien positions.

(8)	Represents loans classified as consumer loans on the Consolidated Balance Sheet that are not included in GCB or Corporate/Other consumer credit metrics.

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(1)	Loans less than 30 days past due are presented as current.

(2)	Includes $25 million of residential first mortgages recorded at fair value.

(3)	Excludes loans guaranteed by U.S. government-sponsored entities.

(4)	Consists of residential first mortgages that are guaranteed by U.S. government-sponsored entities that are 30–89 days past due of $0.2 billion and 90 days or more past due of $1.0 billion.

(5)	Includes approximately $0.1 billion of residential first mortgage loans in process of foreclosure.

(6)	Includes approximately $0.1 billion of home equity loans in process of foreclosure.

(7)	Fixed-rate home equity loans and loans extended under home equity lines of credit, which are typically in junior lien positions.

(8)	Represents loans classified as consumer loans on the Consolidated Balance Sheet that are not included in GCB or Corporate/Other consumer credit metrics.

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(1)	Recorded investment in a loan includes net deferred loan fees and costs, unamortized premium or discount and direct write-downs and includes accrued interest only on credit card loans.

(2)	$526 million of residential first mortgages, $348 million of home equity loans and $9 million of commercial market loans do not have a specific allowance.

(1)	Recorded investment in a loan includes net deferred loan fees and costs, unamortized premium or discount and direct write-downs and includes accrued interest only on credit card loans.

(2)	$607 million of residential first mortgages, $370 million of home equity loans and $10 million of commercial market loans do not have a specific allowance.

(3)	Included in the Allowance for loan losses.

(4)	Average carrying value represents the average recorded investment ending balance for the last four quarters and does not include the related specific allowance.

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(1)	Post-modification balances include past due amounts that are capitalized at the modification date.

(2)

Post-modification balances in North America include $11 million of residential first mortgages and $4 million of home equity loans to borrowers who have gone through Chapter 7 bankruptcy in the three months ended March 31, 2018. These amounts include $8 million of residential first mortgages and $3 million of home equity loans that were newly classified as TDRs in the three months ended March 31, 2018, based on previously received OCC guidance.

(3)	Represents portion of contractual loan principal that is non-interest bearing, but still due from the borrower. Such deferred principal is charged off at the time of permanent modification to the extent that the related loan balance exceeds the underlying collateral value.

(4)	Represents portion of contractual loan principal that is non-interest bearing and, depending upon borrower performance, eligible for forgiveness.

(5)	Represents portion of contractual loan principal that was forgiven at the time of permanent modification.

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(1)	Corporate loans that are 90 days past due are generally classified as non-accrual. Corporate loans are considered past due when principal or interest is contractually due but unpaid.

(2)	Non-accrual loans generally include those loans that are ≥ 90 days past due or those loans for which Citi believes, based on actual experience and a forward-looking assessment of the collectability of the loan in full, that the payment of interest or principal is doubtful.

(3)	Loans less than 30 days past due are presented as current.

(4)	Total loans include loans at fair value, which are not included in the various delinquency columns.

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(1)	Recorded investment in a loan includes net deferred loan fees and costs, unamortized premium or discount, less any direct write-downs.

(2)	Average carrying value represents the average recorded investment balance and does not include related specific allowance.

(3)	Interest income recognized for the three months ended March 31, 2017 was $2 million.

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(1)	The above tables reflect activity for loans outstanding as of the end of the reporting period that were considered TDRs.

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(1)	Recoveries have been reduced by certain collection costs that are incurred only if collection efforts are successful.

(2)	Represents additional credit loss reserves for unfunded lending commitments and letters of credit recorded in Other liabilities on the Consolidated Balance Sheet.

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(1)	Goodwill allocated to the sale of Citi Colombia consumer business, the only remaining business in Citi Holdings—Consumer Latin America reporting unit reported as part of Corporate/Other, which is classified as HFS beginning the first quarter of 2018.

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(1)	Primarily reflects contract-related intangibles associated with the American Airlines, The Home Depot, Costco, Sears and AT&T credit card program agreements, which represented 97% of the aggregate net carrying amount at March 31, 2018 and December 31, 2017.

(2)	For additional information on Citi’s MSRs, including the rollforward for the three months ended March 31, 2018, see Note 18 to the Consolidated Financial Statements.

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(1)	Represents the notional value received by investors from the trusts at the time of issuance.

(2)	In each case, the coupon rate on the subordinated debentures is the same as that on the trust preferred securities.

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(1)	Primarily driven by Citigroup’s pay fixed/receive floating interest rate swap programs that hedge the floating rates on liabilities.

(2)	Primarily reflects adjustments based on the quarterly actuarial valuations of the Company’s Significant pension and postretirement plans, annual actuarial valuations of all other plans and amortization of amounts previously recognized in other comprehensive income.

(3)

Primarily reflects the movements in (by order of impact) the Mexican Peso, Japanese Yen, Euro, and Chinese Yuan against the U.S. dollar and changes in related tax effects and hedges for the quarter ended March 31, 2018. Primarily reflects the movements in (by order of impact) the Mexican peso, Korean Won, Japanese Yen and Indian Rupee against the U.S. dollar and changes in related tax effects and hedges for the quarter ended March, 31, 2017.

(4)	Beginning in the first quarter of 2018, changes in the excluded component of fair value hedges are reflected as a component of AOCI, pursuant to the early adoption of ASU No. 2017-12, Targeted Improvements to Accounting for Hedging Activities. See Note 1 to the Consolidated Financial Statements for further information regarding this change.

(5)	Citi adopted ASU 2016-01 and ASU 2018-03 on January 1, 2018. Upon adoption, a cumulative effect adjustment was recorded from AOCI to retained earnings for net unrealized gains on former AFS equity securities. For additional information, see Note 1 to the Consolidated Financial Statements.

(6)

In the second quarter of 2017, Citi early adopted ASU 2017-08, Receivables—Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities.  Upon adoption, a cumulative effect adjustment was recorded to reduce retained earnings, effective January 1, 2017, for the incremental amortization of cumulative fair value hedge adjustments on callable state and municipal debt securities.  For additional information, see Note 1 to the Consolidated Financial Statements.

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(1)	Includes the impact of ASU 2018-02, which transferred amounts from AOCI to Retained Earnings. For additional information, see Note 19 to the Consolidated Financial Statements in Citi’s 2017 Annual Report on Form 10-K.

(2)	Citi adopted ASU 2016-01 and ASU 2018-03 on January 1, 2018. Upon adoption, a cumulative effect adjustment was recorded from AOCI to retained earnings for net unrealized gains on former AFS equity securities. For additional information, see Note 1 to the Consolidated Financial Statements.

(3)	In the second quarter of 2017, Citi early adopted ASU-2017-08. Upon adoption, a cumulative effect adjustment was recorded to reduce retained earnings, effective January 1, 2017, for the incremental amortization of cumulative fair value hedge adjustments on callable state and municipal debt securities. See Note 1 to the Consolidated Financial Statements.

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(1)	The pretax amount is reclassified to Realized gains (losses) on sales of investments, net and Gross impairment losses in the Consolidated Statement of Income. See Note 12 to the Consolidated Financial Statements for additional details.

(2)	See Note 19 to the Consolidated Financial Statements for additional details.

(3)	See Note 8 to the Consolidated Financial Statements for additional details.

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(2)	Included on Citigroup’s March 31, 2018 and December 31, 2017 Consolidated Balance Sheet.

(3)	A significant unconsolidated VIE is an entity in which the Company has any variable interest or continuing involvement considered to be significant, regardless of the likelihood of loss.

(4)	Citigroup mortgage securitizations also include agency and non-agency (private-label) re-securitization activities. These SPEs are not consolidated. See “Re-securitizations” below for further discussion.

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(1)	Disclosure of non-agency-sponsored mortgages as senior and subordinated interests is indicative of the interests’ position in the capital structure of the securitization.

(2)	Anticipated net credit losses represent estimated loss severity associated with defaulted mortgage loans underlying the mortgage securitizations disclosed above. Anticipated net credit losses, in this instance, do not represent total credit losses incurred to date, nor do they represent credit losses expected on retained interests in mortgage securitizations.

NM	Anticipated net credit losses are not meaningful due to U.S. agency guarantees.

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(1)	Disclosure of non-agency-sponsored mortgages as senior and subordinated interests is indicative of the interests’ position in the capital structure of the securitization.

(2)	Anticipated net credit losses represent estimated loss severity associated with defaulted mortgage loans underlying the mortgage securitizations disclosed above. Anticipated net credit losses, in this instance, do not represent total credit losses incurred to date, nor do they represent credit losses expected on retained interests in mortgage securitizations.

NM	Anticipated net credit losses are not meaningful due to U.S. agency guarantees.

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(1)	Disclosure of non-agency-sponsored mortgages as senior and subordinated interests is indicative of the interests’ position in the capital structure of the securitization.

NM	Anticipated net credit losses are not meaningful due to U.S. agency guarantees.

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(1)	The notional amounts presented in this table do not include hedge accounting relationships under ASC 815 where Citigroup is hedging the foreign currency risk of a net investment in a foreign operation by issuing a foreign-currency-denominated debt instrument. The notional amount of such debt was $2 million and $63 million at March 31, 2018 and December 31, 2017, respectively.

(2)

Credit derivatives are arrangements designed to allow one party (protection buyer) to transfer the credit risk of a “reference asset” to another party (protection seller). These arrangements allow a protection seller to assume the credit risk associated with the reference asset without directly purchasing that asset. The Company enters into credit derivative positions for purposes such as risk management, yield enhancement, reduction of credit concentrations and diversification of overall risk.

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(1)	The trading derivatives fair values are also presented in Note 20 to the Consolidated Financial Statements.

(2)

Over-the-counter (OTC) derivatives are derivatives executed and settled bilaterally with counterparties without the use of an organized exchange or central clearing house. Cleared derivatives include derivatives executed bilaterally with a counterparty in the OTC market, but then novated to a central clearing house, whereby the central clearing house becomes the counterparty to both of the original counterparties. Exchange traded derivatives include derivatives executed directly on an organized exchange that provides pre-trade price transparency.

(3)	Reflects the net amount of the $42,476 million and $55,922 million of gross cash collateral paid and received, respectively. Of the gross cash collateral paid, $33,800 million was used to offset trading derivative liabilities and, of the gross cash collateral received, $40,951 million was used to offset trading derivative assets.

(4)	Represents the netting of derivative receivable and payable balances with the same counterparty under enforceable netting agreements. Approximately $163 billion, $129 billion and $11 billion of the netting against trading account asset/liability balances is attributable to each of the OTC, cleared and exchange-traded derivatives, respectively.

(5)	Represents the netting of cash collateral paid and received by counterparty under enforceable credit support agreements. Substantially all cash collateral received and paid is netted against OTC derivative assets and liabilities, respectively.

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(6)	The net receivables/payables include approximately $5 billion of derivative asset and $7 billion of derivative liability fair values not subject to enforceable master netting agreements, respectively.

(1)	The trading derivatives fair values are presented in Note 20 to the Consolidated Financial Statements. Derivative mark-to-market receivables/payables previously reported within Other assets/Other liabilities have been reclassified to Trading account assets/Trading account liabilities to conform with the current period presentation.

(2)

Over-the-counter (OTC) derivatives are derivatives executed and settled bilaterally with counterparties without the use of an organized exchange or central clearing house. Cleared derivatives include derivatives executed bilaterally with a counterparty in the OTC market, but then novated to a central clearing house, whereby the central clearing house becomes the counterparty to both of the original counterparties. Exchange traded derivatives include derivatives executed directly on an organized exchange that provides pre-trade price transparency.

(3)	Reflects the net amount of the $43,207 million and $52,840 million of gross cash collateral paid and received, respectively. Of the gross cash collateral paid, $35,666 million was used to offset trading derivative liabilities and, of the gross cash collateral received, $38,532 million was used to offset trading derivative assets.

(4)	Represents the netting of derivative receivable and payable balances with the same counterparty under enforceable netting agreements. Approximately $283 billion, $14 billion and $9 billion of the netting against trading account asset/liability balances is attributable to each of the OTC, cleared and exchange-traded derivatives, respectively.

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(5)	Represents the netting of cash collateral paid and received by counterparty under enforceable credit support agreements. Substantially all cash collateral received and paid is netted against OTC derivative assets and liabilities, respectively.

(6)	The net receivables/payables include approximately $6 billion of derivative asset and $8 billion of derivative liability fair values not subject to enforceable master netting agreements, respectively.

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(1)

Beginning January 1, 2018, gain (loss) amounts for interest rate risk hedges are included in Interest income/expense while the remaining amounts including the amounts for interest rate hedges prior to January 1, 2018 are included in Other revenue or Principal transactions on the Consolidated Statement of Income. The accrued interest income on fair value hedges both prior to and after January 1, 2018 is recorded in Net interest revenue and is excluded from this table.

(2)

Amounts relate to the premium associated with forward contracts (differential between spot and contractual forward rates). These amounts are excluded from the assessment of hedge effectiveness and are reflected directly in earnings. After January 1, 2018, amounts include cross-currency basis which is recognized in accumulated other comprehensive income. The amount of cross currency basis that was included in accumulated other comprehensive income was $5 million, none of which was recognized in earnings.

(3)	Hedge ineffectiveness recognized in earnings on designated and qualifying fair value hedges for the three months ended March 31, 2017 was $(10) million for interest rate hedges and $62 million for foreign exchange hedges, for a total of $52 million.

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(1)	After January 1, 2018, all amounts reclassified into earnings for interest rate contracts are included in Interest income Interest expense. For all other hedges, including interest rate hedges prior to January 1, 2018, the amounts reclassified to earnings are included primarily in Other revenue and Net interest revenue on the Consolidated Income Statement.

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(1)	The fair value amount receivable is composed of $3,016 million under protection purchased and $16,011 million under protection sold.

(2)	The fair value amount payable is composed of $16,793 million under protection purchased and $2,816 million under protection sold.

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(1)	The fair value amount receivable is composed of $3,195 million under protection purchased and $17,339 under protection sold.

(2)	The fair value amount payable is composed of $3,147 million under protection purchased and $18,386 million under protection sold.

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(1)

For the three months ended March 31, 2018, the Company transferred assets of approximately $0.7 billion from Level 1 to Level 2, primarily related to foreign government securities and equity securities not traded in active markets. During the three months ended March 31, 2018, the Company transferred assets of approximately $4.0 billion from Level 2 to Level 1, primarily related to foreign government bonds, foreign corporate securities, and equity securities traded with sufficient frequency to constitute an active market. For the three months ended March 31, 2018, there were no material transfers of liabilities from Level 1 to Level 2. During the three months ended March 31, 2018, the Company transferred liabilities of approximately $0.2 billion, from Level 2 to Level 1.

(2)	Represents netting of (i) the amounts due under securities purchased under agreements to resell and the amounts owed under securities sold under agreements to repurchase and (ii) derivative exposures covered by a qualifying master netting agreement and cash collateral offsetting.

(3)	Includes positions related to investments in unallocated precious metals, as discussed in Note 21 to the Consolidated Financial Statements. Also includes physical commodities accounted for at the lower of cost or fair value and unfunded credit products.

(4)	Reflects the net amount of $42,476 million gross cash collateral paid, of which $33,800 million was used to offset trading derivative liabilities.

(5)	Amounts exclude $0.4 billion of investments measured at Net Asset Value (NAV) in accordance with ASU 2015-07, Fair Value Measurement (Topic 820): Disclosures for Investments in Certain Entities That Calculate Net Asset Value per Share (or Its Equivalent).

(6)	Because the amount of the cash collateral paid/received has not been allocated to the Level 1, 2 and 3 subtotals, these percentages are calculated based on total assets and liabilities measured at fair value on a recurring basis, excluding the cash collateral paid/received on derivatives.

(7)	Reflects the net amount $55,922 million of gross cash collateral received, of which $40,951 million was used to offset trading derivative assets.

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(1)

In 2017, the Company transferred assets of approximately $4.8 billion from Level 1 to Level 2, primarily related to foreign government securities and equity securities not traded in active markets. In 2017, the Company transferred assets of approximately $4.0 billion from Level 2 to Level 1, primarily related to foreign government bonds and equity securities traded with sufficient frequency to constitute a liquid market. In 2017, the Company transferred liabilities of approximately $0.4 billion from Level 1 to Level 2, respectively. In 2017, the Company transferred liabilities of approximately $0.3 billion from Level 2 to Level 1.

(2)	Represents netting of (i) the amounts due under securities purchased under agreements to resell and the amounts owed under securities sold under agreements to repurchase and (ii) derivative exposures covered by a qualifying master netting agreement and cash collateral offsetting.

(3)	Includes positions related to investments in unallocated precious metals, as discussed in Note 21 to the Consolidated Financial Statements. Also includes physical commodities accounted for at the lower of cost or fair value and unfunded credit products.

(4)	Reflects the net amount of $43,207 million of gross cash collateral paid, of which $35,666 million was used to offset trading derivative liabilities.

(5)	Amounts exclude $0.4 billion of investments measured at Net Asset Value (NAV) in accordance with ASU No. 2015-07, Fair Value Measurement (Topic 820): Disclosures for Investments in Certain Entities That Calculate Net Asset Value per Share (or Its Equivalent).

(6)	Because the amount of the cash collateral paid/received has not been allocated to the Level 1, 2 and 3 subtotals, these percentages are calculated based on total assets and liabilities measured at fair value on a recurring basis, excluding the cash collateral paid/received on derivatives.

(7)	Reflects the net amount of $52,840 million of gross cash collateral received, of which $38,532 million was used to offset trading derivative assets.

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(1)	Changes in fair value for available-for-sale debt securities are recorded in AOCI, unless related to other-than-temporary impairment, while gains and losses from sales are recorded in Realized gains (losses) from sales of investments on the Consolidated Statement of Income.

(2)	Unrealized gains (losses) on MSRs are recorded in Other revenue on the Consolidated Statement of Income.

(3)	Represents the amount of total gains or losses for the period, included in earnings (and AOCI for changes in fair value of available-for-sale debt securities), attributable to the change in fair value relating to assets and liabilities classified as Level 3 that are still held at March 31, 2018.

(4)	Total Level 3 trading derivative assets and liabilities have been netted in these tables for presentation purposes only.

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(1)	Changes in fair value for available-for-sale debt securities are recorded in AOCI, unless related to other-than-temporary impairment, while gains and losses from sales are recorded in Realized gains (losses) from sales of investments on the Consolidated Statement of Income.

(2)	Unrealized gains (losses) on MSRs are recorded in Other revenue on the Consolidated Statement of Income.

(3)	Represents the amount of total gains or losses for the period, included in earnings (and AOCI for changes in fair value of available-for-sale debt securities), attributable to the change in fair value relating to assets and liabilities classified as Level 3 that are still held at December 31, 2017.

(4)	Total Level 3 trading derivative assets and liabilities have been netted in these tables for presentation purposes only.

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(1)	The fair value amounts presented in these tables represent the primary valuation technique or techniques for each class of assets or liabilities.

(2)	Some inputs are shown as zero due to rounding.

(3)	When the low and high inputs are the same, there is either a constant input applied to all positions, or the methodology involving the input applies to only one large position.

(4)	Weighted averages are calculated based on the fair values of the instruments.

(5)	For equity securities, the price inputs are expressed on an absolute basis, not as a percentage of the notional amount.

(6)	Both trading and nontrading account derivatives—assets and liabilities—are presented on a gross absolute value basis.

(7)	Includes hybrid products.

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(1)	The fair value amounts presented in this table represent the primary valuation technique or techniques for each class of assets or liabilities.

(2)	Some inputs are shown as zero due to rounding.

(3)	Weighted averages are calculated based on the fair values of the instruments.

(4)	Appraised values are disclosed in whole dollars.

(5)	Represents impaired loans held for investment whose carrying amounts are based on the fair value of the underlying collateral, primarily real estate secured loans.

(6)	Includes estimated costs to sell.

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(1)	The carrying value of loans is net of the Allowance for loan losses of $12.4 billion for March 31, 2018 and $12.4 billion for December 31, 2017. In addition, the carrying values exclude $1.7 billion and $1.7 billion of lease finance receivables at March 31, 2018 and December 31, 2017, respectively.

(2)	Includes items measured at fair value on a nonrecurring basis.

(3)	Includes cash and due from banks, deposits with banks, brokerage receivables, reinsurance recoverables and other financial instruments included in Other assets on the Consolidated Balance Sheet, for all of which the carrying value is a reasonable estimate of fair value.

(4)	The carrying value includes long-term debt balances under qualifying fair value hedges.

(5)	Includes brokerage payables, separate and variable accounts, short-term borrowings (carried at cost) and other financial instruments included in Other liabilities on the Consolidated Balance Sheet, for all of which the carrying value is a reasonable estimate of fair value.

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(1)	Includes gains (losses) associated with interest rate lock commitments for those loans that have been originated and elected under the fair value option.

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(1)	The carrying values of securities lending indemnifications and credit card merchant processing were not material for either period presented, as the probability of potential liabilities arising from these guarantees is minimal.

(2)

At March 31, 2018 and December 31, 2017, this maximum potential exposure was estimated to be $83 billion and $86 billion, respectively. However, Citi believes that the maximum exposure is not representative of the actual potential loss exposure based on its historical experience. This contingent liability is unlikely to arise, as most products and services are delivered when purchased and amounts are refunded when items are returned to merchants.

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(1)	Other assets for Citigroup parent company at March 31, 2018 included $24.8 billion of placements to Citibank and its branches, of which $20.3 billion had a remaining term of less than 30 days.

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(1)	Other assets for Citigroup parent company at December 31, 2017 included $29.7 billion of placements to Citibank and its branches, of which $18.9 billion had a remaining term of less than 30 days.

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(1)

Represents repurchases under the $15.6 billion 2017 common stock repurchase program (2017 Repurchase Program) that was approved by Citigroup’s Board of Directors and announced on June 28, 2017. The 2017 Repurchase Program was part of the planned capital actions included by Citi in its 2017 Comprehensive Capital Analysis and Review (CCAR). Shares repurchased under the 2017 Repurchase Program were added to treasury stock.

(2)	Consisted of shares added to treasury stock related to (i) certain activity on employee stock option program exercises where the employee delivers existing shares to cover the option exercise, or (ii) under Citi’s employee restricted where shares are withheld to satisfy tax requirements.

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