FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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 *   Rosamilia Thomas W 2. Date of Event Requiring Statement (Month/Day/Year) 04/29/2013 3. Issuer Name and Ticker or Trading Symbol INTERNATIONAL BUSINESS MACHINES CORP [IBM] (Last) (First) (Middle) IBM CORPORATION, 294 ROUTE 100 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Senior Vice President 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) SOMERS, NY 10589 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 9,334.368 D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Rst. Stock Unit	  (1)	  (1)	Common Stock	8,334	$ 0	D	Â
Rst. Stock Unit	  (2)	  (2)	Common Stock	8,772	$ 0	D	Â
Rst. Stock Unit	  (3)	  (3)	Common Stock	4,951	$ 0	D	Â
Phantom Stock Unit	  (4)	  (4)	Common Stock	1,281	$ 0	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Rosamilia Thomas W IBM CORPORATION 294 ROUTE 100 SOMERS, NY 10589	Â	Â	  Senior Vice President	Â

Signatures

D. Cummins on behalf of T.W. Rosamilia		05/07/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	These units are payable in cash or the company's common stock upon lapse of the restrictions on December 29, 2013.
(2)	These units are payable in cash or the company's common stock upon lapse of the restrictions on December 21, 2014.
(3)	These units are payable in cash or the company's common stock upon lapse of the restrictions on December 18, 2017.
(4)	Phantom stock units acquired under the IBM Excess 401(k) Plus Plan convert to the cash value of the company's common stock on a one-for-one basis, and distribution is deferred until separation from the company. The reporting person may transfer some of these phantom stock units into an alternative investment account under such plan.

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