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•	the outcome of rate cases or other cost recovery or revenue proceedings;

•	changes in U.S. state or federal, or U.K. tax laws or regulations, including the TCJA;

•	effects of cyber-based intrusions or natural disasters, threatened or actual terrorism, war or other hostilities;

•	significant decreases in demand for electricity in the U.S.;

•	expansion of alternative and distributed sources of electricity generation and storage;

•	changes in foreign currency exchange rates for British pound sterling and the related impact on unrealized gains and losses on PPL's foreign currency economic hedges;

•	the effectiveness of our risk management programs, including foreign currency and interest rate hedging;

•	non-achievement by WPD of performance targets set by Ofgem;

•	the effect of changes in RPI on WPD's revenues and index linked debt;

•	developments related to ongoing negotiations regarding the U.K.'s intent to withdraw from the European Union and any actions in response thereto;

•	defaults by counterparties or suppliers for energy, capacity, coal, natural gas or key commodities, goods or services;

•	capital market conditions, including the availability of capital or credit, changes in interest rates and certain economic indices, and decisions regarding capital structure;

•	a material decline in the market value of PPL's equity;

•	significant decreases in the fair value of debt and equity securities and its impact on the value of assets in defined benefit plans, and the potential cash funding requirements if fair value declines;

•	interest rates and their effect on pension and retiree medical liabilities, ARO liabilities and interest payable on certain debt securities;

•	volatility in or the impact of other changes in financial markets and economic conditions;

•	the potential impact of any unrecorded commitments and liabilities of the Registrants and their subsidiaries;

•	new accounting requirements or new interpretations or applications of existing requirements;

•	changes in the corporate credit ratings or securities analyst rankings of the Registrants and their securities;

•	any requirement to record impairment charges pursuant to GAAP with respect to any of our significant investments;

•	laws or regulations to reduce emissions of GHGs or the physical effects of climate change;

•	continuing ability to access fuel supply for LG&E and KU, as well as the ability to recover fuel costs and environmental expenditures in a timely manner at LG&E and KU and natural gas supply costs at LG&E;

•	weather and other conditions affecting generation, transmission and distribution operations, operating costs and customer energy use;

•	changes in political, regulatory or economic conditions in states, regions or countries where the Registrants or their subsidiaries conduct business;

•	receipt of necessary governmental permits and approvals;

•	new state, federal or foreign legislation or regulatory developments;

•	the impact of any state, federal or foreign investigations applicable to the Registrants and their subsidiaries and the energy industry;

•	our ability to attract and retain qualified employees;

•	the effect of any business or industry restructuring;

•	development of new projects, markets and technologies;

•	performance of new ventures;

•	business dispositions or acquisitions and our ability to realize expected benefits from such business transactions;

•	collective labor bargaining negotiations; and

•	the outcome of litigation against the Registrants and their subsidiaries.

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(a)	1,560,000 shares authorized; 697,383 and 693,398 shares issued and outstanding at March 31, 2018 and December 31, 2017.

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(a)	Shares in thousands. Each share entitles the holder to one vote on any question presented at any shareowners' meeting.

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(a)	Net income equals comprehensive income.

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(a)	170,000 shares authorized; 66,368 shares issued and outstanding at March 31, 2018 and December 31, 2017.

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(a)	Shares in thousands. All common shares of PPL Electric stock are owned by PPL.

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(a)	Net income equals comprehensive income.

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(a)	75,000 shares authorized; 21,294 shares issued and outstanding at March 31, 2018 and December 31, 2017.

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(a)	Shares in thousands. All common shares of LG&E stock are owned by LKE.

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(a)	Net income approximates comprehensive income.

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(a)	80,000 shares authorized; 37,818 shares issued and outstanding at March 31, 2018 and December 31, 2017.

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(a)	Shares in thousands. All common shares of KU stock are owned by LKE.

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(a)	Bank deposits and other cash equivalents that are restricted by agreement or that have been clearly designated for a specific purpose are classified as restricted cash. On the Balance Sheets, the current portion of restricted cash is included in "Other current assets," while the noncurrent portion is included in "Other noncurrent assets."

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(a)	Includes unrealized gains and losses from hedging foreign currency economic activity. See Note 14 for additional information.

(a)	Includes $12.9 billion and $12.5 billion of net PP&E as of March 31, 2018 and December 31, 2017. WPD is not subject to accounting for the effects of certain types of regulation as prescribed by GAAP.

(b)	Primarily consists of unallocated items, including cash, PP&E and the elimination of inter-segment transactions.

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(a)	PPL includes $615 million of revenues from external customers reported by the U.K. Regulated segment. PPL Electric and LKE represent revenues from external customers reported by the Pennsylvania Regulated and Kentucky Regulated segments. See Note 3 for additional information.

(b)

Alternative revenue programs for PPL Electric include the over/under-collection of its transmission formula rate. Alternative revenue programs for LKE, LG&E and KU include the over/under collection for the ECR and DSM programs as well as LG&E's over/under collection of its GLT program and KU's over/under collection of its generation formula rate. Over-collections of revenue are shown as positive amounts in the table above; under-collections are shown as negative amounts.

(c)	Represents additional revenues outside the scope of revenues from contracts with customers such as leases and other miscellaneous revenues.

(a)	Represents customers of WPD.

(b)	Primarily includes revenues from pole attachments, street lighting and other public authorities.

(c)	Includes wholesale power and transmission revenues. LG&E and KU amounts include intercompany power sales and transmission revenues, which are eliminated upon consolidation at LKE.

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(a)	Includes stock options exercised, vesting of performance units, vesting of restricted stock units and conversion of stock units granted to directors.

(a)	The U.S. federal corporate income tax rate was reduced from 35% to 21%, as enacted by the TCJA, effective January 1, 2018.

(b)	Lower income taxes in 2017 primarily due to the tax benefit of accelerated pension contributions made in the first quarter of 2017. The related tax benefit was recognized over the annual period as a result of utilizing an estimated annual effective tax rate.

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(a)	The U.S. federal corporate income tax rate was reduced from 35% to 21%, as enacted by the TCJA, effective January 1, 2018.

(a)	The U.S. federal corporate income tax rate was reduced from 35% to 21%, as enacted by the TCJA, effective January 1, 2018.

(a)	The U.S. federal corporate income tax rate was reduced from 35% to 21%, as enacted by the TCJA, effective January 1, 2018.

(a)	The U.S. federal corporate income tax rate was reduced from 35% to 21%, as enacted by the TCJA, effective January 1, 2018.

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(a)	For PPL, these amounts are included in "Other current assets" on the Balance Sheets.

(b)	Storm costs incurred in PPL Electric's territory from a March 2018 storm will be amortized from 2019 through 2021.

(c)	Relates to estimated amounts owed to customers as a result of the reduced U.S. federal corporate income tax rate as enacted by the TCJA, effective January 1, 2018, not yet reflected in customer rates.

(d)	This liability was recorded as an offset to an intangible asset that was recorded at fair value upon the acquisition of LKE by PPL.

(e)	Primarily relates to excess deferred taxes recorded as a result of the TCJA, which reduced the U.S. federal corporate income tax rate effective January 1, 2018, requiring deferred tax balances and the associated regulatory liabilities to be remeasured as of December 31, 2017.

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(a)	The amounts borrowed at March 31, 2018 and December 31, 2017 were USD-denominated borrowings of $200 million for both periods, which bore interest at 2.47% and 2.17%. The unused capacity reflects the amount borrowed in GBP of £143 million as of the date borrowed.

(b)	The amount borrowed at March 31, 2018 was a GBP-denominated borrowing which equated to $179 million and bore interest at 1.77%.

(c)	The amounts borrowed at March 31, 2018 and December 31, 2017 were GBP-denominated borrowings which equated to $216 million and $244 million and bore interest at 0.90% and 0.89%.

(d)	The amounts borrowed at March 31, 2018 and December 31, 2017 were GBP-denominated borrowings which equated to $89 million and $162 million and bore interest at 0.90% and 0.89%.

(e)	At March 31, 2018, the unused capacity under the U.K. credit facilities was $1.1 billion.

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(a)	Enhanced pension benefits offered to certain PPL Electric bargaining unit employees under a one-time voluntary retirement window offered as part of the new five year IBEW contract ratified in March 2017.

(a)	As a result of treatment approved by the KPSC, the difference between actuarial loss calculated in accordance with LKE's accounting policy and actuarial loss calculated using a 15-year amortization period was $4 million and $5 million for the three months ended March 31, 2018 and 2017. This difference is recorded as a regulatory asset.

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(a)	As a result of treatment approved by the KPSC, the difference between actuarial loss calculated in accordance with LG&E's accounting policy and actuarial loss calculated using a 15-year amortization period was $1 million for the three months ended March 31, 2018 and 2017. This difference is recorded as a regulatory asset.

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(a)

Indemnifications related to certain liabilities, including a specific unresolved tax issue and those relating to properties and assets owned by the seller that were transferred to WPD Midlands in connection with the acquisition. A cross indemnity has been received from the seller on the tax issue. The maximum exposure and expiration of these indemnifications cannot be estimated because the maximum potential liability is not capped and the expiration date is not specified in the transaction documents.

(b)

Indemnification to the liquidators and certain others for existing liabilities or expenses or liabilities arising during the liquidation process. The indemnifications are limited to distributions made from the subsidiary to its parent either prior or subsequent to liquidation or are not explicitly stated in the agreements. The indemnifications generally expire two to seven years subsequent to the date of dissolution of the entities. The exposure noted only includes those cases where the agreements provide for specific limits.

(c)

Relates to certain obligations of discontinued or modified electric associations that were guaranteed at the time of privatization by the participating members. Costs are allocated to the members and can be reallocated if an existing member becomes insolvent. At March 31, 2018, WPD has recorded an estimated discounted liability for which the expected payment/performance is probable. Neither the expiration date nor the maximum amount of potential payments for certain obligations is explicitly stated in the related agreements, and as a result, the exposure has been estimated.

(d)	A third party logistics firm provides inventory procurement and fulfillment services. The logistics firm has title to the inventory, however, upon termination of the contracts, PPL Electric has guaranteed to purchase any remaining inventory that has not been used or sold.

(e)

LKE provides certain indemnifications covering the due and punctual payment, performance and discharge by each party of its respective obligations. The most comprehensive of these guarantees is the LKE guarantee covering operational, regulatory and environmental commitments and indemnifications made by WKE under a 2009 Transaction Termination Agreement. This guarantee has a term of 12 years ending July 2021, and a maximum exposure of $200 million, exclusive of certain items such as government fines and penalties that may exceed the maximum. Additionally, LKE has indemnified various third parties related to historical obligations for other divested subsidiaries and affiliates. The indemnifications vary by entity and the maximum exposures range from being capped at the sale price to no specified maximum. LKE could be required to perform on these indemnifications in the event of covered losses or liabilities being claimed by an indemnified party. LKE cannot predict the ultimate outcomes of the various indemnification scenarios, but does not expect such outcomes to result in significant losses.

(f)

Pursuant to the OVEC power purchase contract, LG&E and KU are obligated to pay for their share of OVEC's excess debt service, post-retirement and decommissioning costs, as well as any shortfall from amounts included within a demand charge designed and expected to cover these costs over the term of the contract. LKE's proportionate share of OVEC's outstanding debt was $117 million at March 31, 2018, consisting of LG&E's share of $81 million and KU's share of $36 million. The maximum exposure and the expiration date of these potential obligations are not presently determinable. See "Energy Purchase Commitments" in Note 13 in PPL's, LKE's, LG&E's and KU's 2017 Form 10-K for additional information on the OVEC power purchase contract. In connection with recent credit market related developments at OVEC or certain of its sponsors, such parties, including LG&E and KU, are analyzing certain potential additional credit support actions to preserve OVEC's access to credit markets or mitigate risks or adverse impacts relating thereto, including increased interest costs. The ultimate outcome of these matters, including any potential impact on LG&E's and KU's obligations relating to OVEC debt under the power purchase contract cannot be predicted.

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(a)	Current portion is included in "Other current assets" and long-term portion is included in "Other noncurrent assets" on the Balance Sheets.

(b)	Current portion is included in "Price risk management assets" and "Other current liabilities" and noncurrent portion is included in "Price risk management assets" and "Other deferred credits and noncurrent liabilities" on the Balance Sheets.

(a)	Amounts are net of debt issuance costs.

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•

PPL and its subsidiaries are exposed to interest rate risk associated with forecasted fixed-rate and existing floating-rate debt issuances. PPL and WPD hold over-the-counter cross currency swaps to limit exposure to market fluctuations on interest and principal payments from changes in foreign currency exchange rates and interest rates. PPL, LKE and LG&E utilize over-the-counter interest rate swaps to limit exposure to market fluctuations on floating-rate debt. PPL, LKE, LG&E and KU utilize forward starting interest rate swaps to hedge changes in benchmark interest rates, when appropriate, in connection with future debt issuances.

•	PPL and its subsidiaries are exposed to interest rate risk associated with debt securities and derivatives held by defined benefit plans. This risk is significantly mitigated to the extent that the plans are sponsored at, or sponsored on behalf of, the regulated domestic utilities and for certain plans at WPD due to the recovery methods in place.

•	PPL is exposed to foreign currency exchange risk primarily associated with its investments in and earnings of U.K. affiliates.

•	PPL Electric is required to purchase electricity to fulfill its obligation as a PLR. Potential commodity price risk is mitigated through its PUC-approved cost recovery mechanism and full-requirement supply agreements to serve its PLR customers which transfer the risk to energy suppliers.

•	LG&E's and KU's rates include certain mechanisms for fuel, fuel-related expenses and energy purchases. In addition, LG&E's rates include a mechanism for natural gas supply expenses. These mechanisms generally provide for timely recovery of market price fluctuations associated with these expenses.

•	WPD is exposed to volumetric risk which is significantly mitigated as a result of the method of regulation in the U.K. Under the RIIO-ED1 price control regulations, recovery of such exposure occurs on a two year lag. See Note 1 in PPL's 2017 Form 10-K for additional information on revenue recognition under RIIO-ED1.

•	PPL Electric, LG&E and KU are exposed to volumetric risk on retail sales, mainly due to weather and other economic conditions for which there is limited mitigation between rate cases.

•	PPL and its subsidiaries are exposed to equity securities price risk associated with the fair value of the defined benefit plans' assets. This risk is significantly mitigated at the regulated domestic utilities and for certain plans at WPD due to the recovery methods in place.

•	PPL is exposed to equity securities price risk from future stock sales and/or purchases.

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(a)	Current portion is included in "Price risk management assets" and "Other current liabilities" and noncurrent portion is included in "Price risk management assets" and "Other deferred credits and noncurrent liabilities" on the Balance Sheets.

(b)	Excludes accrued interest, if applicable.

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(a)	Includes the effect of net receivables and payables already recorded on the Balance Sheet.

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(a)

LG&E and KU recorded decreases to the existing AROs during the three months ended March 31, 2018 primarily related to the closure of CCR impoundments and associated groundwater monitoring. These revisions are the result of changes in closure plans related to expected costs and timing of closures. Further changes to AROs, capital plans or operating costs may be required as estimates of future cash flows are refined based on closure developments and regulatory or legal proceedings.

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•	"Overview" provides a description of each Registrant's business strategy and a discussion of important financial and operational developments.

•

"Results of Operations" for all Registrants includes a "Statement of Income Analysis" which discusses significant changes in principal line items on the Statements of Income, comparing the three months ended March 31, 2018 with the same period in 2017. For PPL, "Results of Operations" also includes "Segment Earnings" and "Adjusted Gross Margins" which provide a detailed analysis of earnings by reportable segment. These discussions include non-GAAP financial measures, including "Earnings from Ongoing Operations" and "Adjusted Gross Margins" and provide explanations of the non-GAAP financial measures and a reconciliation of the non-GAAP financial measures to the most comparable GAAP measure. The "2018 Outlook" discussion identifies key factors expected to impact 2018 earnings. For PPL Electric, LKE, LG&E and KU, a summary of earnings and adjusted gross margins is also provided.

•	"Financial Condition - Liquidity and Capital Resources" provides an analysis of the Registrants' liquidity positions and credit profiles. This section also includes a discussion of rating agency actions.

•	"Financial Condition - Risk Management" provides an explanation of the Registrants' risk management programs relating to market and credit risk.

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•	whether to implement an MPR as currently defined;

•	whether to implement an MPR with an extension for WPD rail electrification; and

•	whether to implement an MPR with a significant extension of scope to include financial parameters.

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(a)	The increase was primarily due to higher energy volumes at PPL Electric.

(b)	Represents estimated income tax savings owed to customers related to the impact of the U.S. federal corporate income tax rate reduction from 35% to 21%, as enacted by the TCJA, effective January 1, 2018. A regulatory liability was recorded for this amount. See Note 7 for additional information.

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(a)	The increase is primarily due to the tax benefit of accelerated pension contributions made in the first quarter of 2017.

(b)	The decrease is primarily due to the impact of the U.S. federal corporate income tax rate reduction from 35% to 21%, as enacted by the TCJA, effective January 1, 2018, on the flow-through of tax benefits associated with the regulatory treatment of taxes on plant related activity.

(a)

Primarily represents financing and certain other costs incurred at the corporate level that have not been allocated or assigned to the segments, which are presented to reconcile segment information to PPL's consolidated results. The change in 2018 compared with 2017 is primarily due to the utilization of an estimated tax rate, which required tax benefits realized in the first quarter of 2017 to be recognized over the annual period.

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(a)	Represents unrealized gains (losses) on contracts that economically hedge anticipated GBP-denominated earnings.

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•	See "Adjusted Gross Margins - Changes in Adjusted Gross Margins" for an explanation of U.K. Adjusted Gross Margins.

•	Higher other income (expense) - net primarily due to $15 million from higher pension income due to an increase in expected returns on higher asset balances.

•	Higher income taxes primarily due to an increase of $9 million related to accelerated tax deductions in the first quarter of 2017.

•	Higher income taxes primarily due to a $35 million tax benefit on accelerated pension contributions in the first quarter of 2017 and a $7 million increase from a reduction in tax benefits on interest deductibility due to the U.S. federal corporate income tax rate reduction from 35% to 21%, as enacted by the TCJA, effective January 1, 2018.

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(a)	KU recorded a write-off of an equity method investment.

•	See "Adjusted Gross Margins - Changes in Adjusted Gross Margins" for an explanation of Kentucky Adjusted Gross Margins.

•	Higher depreciation expense primarily due to higher depreciation rates effective July 1, 2017, and additions to PP&E, net of retirements.

•	Lower income taxes primarily due to the impact of the U.S. federal corporate income tax rate reduction from 35% to 21%, as enacted by the TCJA, effective January 1, 2018.

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(a)	There are no items that management considers special for the periods presented.

•	See "Adjusted Gross Margins - Changes in Adjusted Gross Margins" for an explanation of Pennsylvania Adjusted Gross Margins.

•	Lower other operation and maintenance expense primarily due to $16 million of lower corporate service costs allocated to PPL Electric and $13 million of lower payroll related expenses.

•	Income taxes are relatively flat due to an increase in pre-tax income resulting in $29 million of additional tax, partially offset by the impact of the U.S. federal corporate income tax rate reduction from 35% to 21%, as enacted by the TCJA, effective January 1, 2018, of $25 million.

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"U.K. Adjusted Gross Margins" is a single financial performance measure of the electricity distribution operations of the U.K. Regulated segment. In calculating this measure, direct costs such as connection charges from National Grid, which owns and manages the electricity transmission network in England and Wales, and Ofgem license fees (recorded in "Other operation and maintenance" on the Statements of Income) are deducted from operating revenues, as they are costs passed through to customers. As a result, this measure represents the net revenues from the delivery of electricity across WPD's distribution network in the U.K. and directly related activities.

•

"Kentucky Adjusted Gross Margins" is a single financial performance measure of the electricity generation, transmission and distribution operations of the Kentucky Regulated segment, LKE, LG&E and KU, as well as the Kentucky Regulated segment's, LKE's and LG&E's distribution and sale of natural gas. In calculating this measure, fuel, energy purchases and certain variable costs of production (recorded in "Other operation and maintenance" on the Statements of Income) are deducted from operating revenues. In addition, certain other expenses, recorded in "Other operation and maintenance", "Depreciation" and "Taxes, other than income" on the Statements of Income, associated with approved cost recovery mechanisms are offset against the recovery of those expenses, which are included in revenues. These mechanisms allow for direct recovery of these expenses and, in some cases, returns on capital investments and performance incentives. As a result, this measure represents the net revenues from electricity and gas operations.

•

"Pennsylvania Adjusted Gross Margins" is a single financial performance measure of the electricity transmission and distribution operations of the Pennsylvania Regulated segment and PPL Electric. In calculating this measure, utility revenues and expenses associated with approved recovery mechanisms, including energy provided as a PLR, are offset with minimal impact on earnings. Costs associated with these mechanisms are recorded in "Energy purchases," "Other operation and maintenance," (which are primarily Act 129 and Universal Service program costs), "Depreciation" (which is primarily related to the Act 129 Smart Meter program) and "Taxes, other than income," (which is primarily gross receipts tax) on the Statements of Income. This measure represents the net revenues from the Pennsylvania Regulated segment's and PPL Electric's electricity delivery operations.

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(a)	Represents amounts excluded from Adjusted Gross Margins.

(b)	As reported on the Statements of Income.

(c)	Excludes ancillary revenues of $11 million and $9 million for the three months ended March 31, 2018 and 2017.

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(a)	The increase for the three month period was primarily due to higher energy volumes as described below.

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(a)	The decrease is primarily due to the impact of the U.S. federal corporate income tax rate reduction from 35% to 21%, as enacted by the TCJA, effective January 1, 2018, on the flow-through of tax benefits associated with the regulatory treatment of taxes on plant related activity.

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(a)	There are no items that management considers special for the periods presented.

(a)	Represents amounts excluded from Adjusted Gross Margins.

(b)	As reported on the Statements of Income.

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(a)	Represents estimated income tax savings owed to customers related to the impact of the U.S. federal corporate income tax rate reduction from 35% to 21%, as enacted by the TCJA, effective January 1, 2018. A regulatory liability was recorded for this amount. See Note 7 for additional information.

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(a)	See PPL's "Results of Operations - Segment Earnings - Kentucky Regulated Segment" for details of the special item.

(a)	Represents amounts excluded from Adjusted Gross Margins.

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(b)	As reported on the Statements of Income.

(a)	Represents estimated income tax savings owed to customers related to the impact of the U.S. federal corporate income tax rate reduction from 35% to 21%, as enacted by the TCJA, effective January 1, 2018. A regulatory liability was recorded for this amount. See Note 7 for additional information.

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(a)	There are no items management considers special for the periods presented.

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(a)	Represents amounts excluded from Adjusted Gross Margins.

(b)	As reported on the Statements of Income.

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(a)	Represents estimated income tax savings owed to customers related to the impact of the U.S. federal corporate income tax rate reduction from 35% to 21%, as enacted by the TCJA, effective January 1, 2018. A regulatory liability was recorded for this amount. See Note 7 for additional information.

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(a)	See PPL's "Results of Operations - Segment Earnings - Kentucky Regulated Segment" for details of the special item.

(a)	Represents amounts excluded from Adjusted Gross Margins.

(b)	As reported on the Statements of Income.

(a)	At March 31, 2018, $263 million of cash and cash equivalents were denominated in GBP. If these amounts would be remitted as dividends, PPL would not anticipate an incremental U.S. tax cost. See Note 5 to the Financial Statements in PPL's 2017 Form 10-K for additional information on undistributed earnings of WPD.

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Net income increased $49 million between periods and included a decrease in non-cash charges of $64 million. The decrease in non-cash charges was primarily due to a decrease in deferred income tax expense (primarily due to lower income taxes from tax benefits related to accelerated pension contributions to the U.K. pension plans in 2017 and book versus tax plant timing differences and net operating losses at EU) and an increase in the U.K. net periodic defined benefit credits (primarily due to an increase in expected returns on higher asset balances), partially offset by an increase in unrealized losses on hedging activities and an increase in depreciation expense (primarily due to additional assets placed into service, net of retirements, and higher depreciation rates effective July 1, 2017 at LG&E and KU and the impact of foreign currency exchange rates at WPD).

•	The $127 million increase in cash from changes in working capital was primarily due to a decrease in net regulatory assets and liabilities (primarily due to the impact of the TCJA and timing of rate recovery mechanisms) and an increase in taxes payable (primarily due to an increase in current income tax benefits in 2017).

•	Defined benefit plan funding was $370 million lower in 2018. The decrease was primarily due to the acceleration of WPD's contributions to its U.K. pension plans in 2017.

•	Net income increased $69 million between the periods and included a decrease in non-cash charges of $20 million. The decrease in non-cash charges was primarily driven by a $20 million decrease in deferred income taxes (primarily due to book versus tax plant timing differences and net operating losses).

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•	The $28 million decrease in cash provided by other operating activities was primarily due to an increase in non-current regulatory assets (primarily due to $17 million of storm costs incurred in March 2018).

•

The increase in cash from changes in working capital was primarily driven by a decrease in net regulatory assets and liabilities (primarily due to the impact of the TCJA and timing of rate recovery mechanisms), an increase in accounts payable (primarily due to timing of payments) and an increase in taxes payable (primarily due to timing of payments), partially offset by an increase in accounts receivable (primarily due to colder weather in 2018 compared with 2017) and a decrease in other current liabilities (primarily due to timing of payments).

•	Defined benefit plan funding was $86 million higher in 2018.

•

The increase in cash from changes in working capital was primarily driven by lower tax payments in 2018 compared with 2017, a decrease in net regulatory assets and liabilities (primarily due to the impact of the TCJA and the timing of rate recovery mechanisms), and an increase in accounts payable (primarily due to timing of payments), partially offset by an increase in accounts receivable (primarily due to colder weather in 2018 compared with 2017) and a decrease in other current liabilities (primarily due to timing of payments).

•	Defined benefit plan funding was $54 million higher in 2018.

•

The increase in cash from changes in working capital was primarily driven by an increase in taxes payable (primarily due to the timing of payments), a decrease in net regulatory assets and liabilities (primarily due to the impact of the TCJA and the timing of rate recovery mechanisms) and an increase in accounts payable (primarily due to timing of payments), partially offset by an increase in accounts receivable (due to colder weather in 2018 compared with 2017) and a decrease in other current liabilities (primarily due to the timing of payments).

•	Defined benefit plan funding was $28 million higher in 2018.

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(a)	The commitments under the U.S. credit facilities are provided by a diverse bank group, with no one bank and its affiliates providing an aggregate commitment of more than the following percentages of the total committed capacity: PPL - 10%, PPL Electric - 7%, LKE - 18%, LG&E - 33% and KU - 37%.

(b)	The amounts borrowed at March 31, 2018 were a USD-denominated borrowing of $200 million and GBP-denominated borrowings which equated to $484 million. The unused capacity reflects the USD-denominated borrowing amount borrowed in GBP of £143 million as of the date borrowed. At March 31, 2018, the USD equivalent of unused capacity under the U.K. committed credit facilities was $949 million.

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(a)	LG&E and KU participate in an intercompany money pool agreement whereby LKE, LG&E and/or KU make available funds up to $500 million at an interest rate based on a market index of commercial paper issues. However, the FERC has issued a maximum aggregate short-term debt limit for each utility at $500 million from all covered sources.

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(a)	Includes accrued interest, if applicable.

(b)	Effects of adverse movements decrease assets or increase liabilities, as applicable, which could result in an asset becoming a liability. Sensitivities represent a 10% adverse movement in interest rates, except for cross-currency swaps which also includes a 10% adverse movement in foreign currency exchange rates.

(c)	Changes in the fair value of these instruments are recorded in equity and reclassified into earnings in the same period during which the item being hedged affects earnings.

(d)	Realized changes in the fair value of such economic hedges are recoverable through regulated rates and any subsequent changes in the fair value of these derivatives are included in regulatory assets or regulatory liabilities.

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(a)	Effects of adverse movements decrease assets or increase liabilities, as applicable, which could result in an asset becoming a liability.

(b)	To protect the value of a portion of its net investment in WPD, PPL executes forward contracts to sell GBP.

(c)	To economically hedge the translation risk of expected earnings denominated in GBP.

•	PPL Electric is required to purchase electricity to fulfill its obligation as a PLR. Potential commodity price risk is mitigated through its PUC-approved cost recovery mechanism and full-requirement supply agreements to serve its PLR customers which transfer the risk to energy suppliers.

•	LG&E's and KU's rates include certain mechanisms for fuel, fuel-related expenses and energy purchases. In addition, LG&E's rates include a mechanism for natural gas supply expenses. These mechanisms generally provide for timely recovery of market price fluctuations associated with these expenses.

•	WPD is exposed to volumetric risk which is significantly mitigated as a result of the method of regulation in the U.K. Under the RIIO-ED1 price control regulations, recovery of such exposure occurs on a two year lag. See Note 1 in PPL's 2017 Form 10-K for additional information on revenue recognition under RIIO-ED1.

•	PPL Electric, LG&E and KU are exposed to volumetric risk on retail sales, mainly due to weather and other economic conditions for which there is limited mitigation between rate cases.

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•	"Item 3. Legal Proceedings" in each Registrant's 2017 Form 10-K; and

•	Notes 7 and 10 to the Financial Statements.

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