FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * ANDERSON KEITH   2. Issuer Name and Ticker or Trading Symbol BlackRock Inc. [BLK] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Vice Chairman (Last) (First) (Middle) BLACKROCK, INC., 40 EAST 52ND STREET 3. Date of Earliest Transaction (Month/Day/Year) 02/09/2007 (Street) NEW YORK, NY 10022 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Shares of Common Stock (par value $0.01 per share) 02/09/2007   M   35,000 A $ 43.3125 194,097.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   400 D $ 172.805 193,697.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   400 D $ 172.91 193,297.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   400 D $ 172.96 192,897.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   400 D $ 172.9625 192,497.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   400 D $ 172.9775 192,097.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   400 D $ 173.0325 191,697.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   400 D $ 173.105 191,297.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   400 D $ 173.1475 190,897.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   300 D $ 173.3 190,597.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   200 D $ 173.31 190,397.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   200 D $ 174.14 190,197.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   100 D $ 175.1 190,097.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   200 D $ 175.16 189,897.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   200 D $ 175.2 189,697.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   100 D $ 175.21 189,597.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   200 D $ 175.22 189,397.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   100 D $ 175.23 189,297.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   2,000 D $ 175.27 187,297.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   4,000 D $ 175.3 183,297.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   100 D $ 175.32 183,197.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   200 D $ 175.35 182,997.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   700 D $ 175.36 182,297.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   2,700 D $ 175.37 179,597.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   1,600 D $ 175.4 177,997.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   500 D $ 175.45 177,497.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   800 D $ 175.5 176,697.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   800 D $ 175.6 175,897.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   200 D $ 175.62 175,697.41 (1) D   Shares of Common Stock (par value $0.01 per share) 02/09/2007   S   1,800 D $ 175.63 173,897.41 (1) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee Stock Option (right to buy)

$ 43.3125

02/09/2007

M

35,000

(2)

12/15/2010

Common Stock (par value $0.01 per share)

35,000

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ANDERSON KEITH BLACKROCK, INC. 40 EAST 52ND STREET NEW YORK, NY 10022			Vice Chairman

Signatures

/s/ Daniel R. Waltcher as Attorney-in-Fact for Keith Anderson		02/13/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Includes 9,552 shares of restricted Common Stock granted under the BlackRock, Inc. 1999 Stock Award and Incentive Plan (the "Incentive Plan"), vesting on 12/15/07. Also, includes 8,397 Restricted Stock Units granted under the Incentive Plan, vesting in equal installments on 1/31/08 and 1/31/09, and 16,446 Restricted Stock Units granted under the Incentive Plan, vesting in equal installments on 1/31/08, 1/31/09 and 1/31/10. Each Restricted Stock Unit is payable solely by delivery of an equal number of shares of Common Stock.
(2)	The option vested in two equal installments on December 15, 2003 and December 15, 2004.
Remarks: This Form 4 is being filed in two parts (part one of two).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

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