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 *   Knobel Jeff A 2. Date of Event Requiring Statement (Month/Day/Year) 04/28/2010 3. Issuer Name and Ticker or Trading Symbol BALL CORP [BLL] (Last) (First) (Middle) 10 LONGS PEAK DRIVE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Treasurer 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) BROOMFIELD, CO 80005 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 65.3577 I 401K (1) Common Stock 610.8203 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
Deferred Compensation Company Stock Plan	  (2)	  (2)	Common Stock	234.6228	$ (3)	D	Â
Restricted Stock Units	  (4)	  (4)	Common Stock	2,300	$ (4)	D	Â
Stock Appreciation Rights (sars)	  (5)	01/28/2019	Common Stock	1,750	$ 40.08	D	Â
Stock Appreciation Rights (sars)	  (5)	01/27/2020	Common Stock	1,200	$ 50.45	D	Â
Stock Option (iso) (Right to Buy)	  (6)	01/28/2019	Common Stock	1,750	$ 40.08	D	Â
Stock Option (iso) (Right to Buy)	  (6)	01/27/2020	Common Stock	1,100	$ 50.45	D	Â
Employee Stock Option (Right to Buy)	  (6)	04/22/2013	Common Stock	3,000	$ 28.155	D	Â
Employee Stock Option (Right to Buy)	  (6)	04/28/2014	Common Stock	5,250	$ 34.11	D	Â
Employee Stock Option (Right to Buy)	  (6)	04/27/2015	Common Stock	2,500	$ 39.74	D	Â
Employee Stock Option (Right to Buy)	  (6)	04/26/2016	Common Stock	3,000	$ 43.69	D	Â
Employee Stock Option (Right to Buy)	  (6)	04/25/2017	Common Stock	2,400	$ 49.32	D	Â
Employee Stock Option (Right to Buy)	  (6)	04/23/2018	Common Stock	2,400	$ 50.11	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Knobel Jeff A 10 LONGS PEAK DRIVE BROOMFIELD, CO 80005	Â	Â	  Treasurer	Â

Signatures

/s/ Robert W. McClelland, Attorney-In-Fact for Mr. Knobel		05/04/2010
**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)	Total number of 401(k) Plan shares includes shares acquired through periodic dividend reinvestment, participant's contributions and employer matching contributions.
(2)	Stock units in Ball Corporation's Deferred Compensation Company Stock Plan are distributed upon the separation of service in accordance with the Plan.
(3)	Each unit may be settled for a single share of stock or the equivalent amount of cash pursuant to the Ball Corporation Deferred Compensation Company Stock Plan.
(4)	Restricted Stock Units awarded under the Stock and Cash Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of Ball Corporation Common Stock.
(5)	A stock appreciation right ("SAR") entitles its holder, upon exercise of the right, to receive from the issuer, in cash or common stock, an amount equal to the "spread" on the right (i.e. the amount by which the market price of the underlying stock exceeds the exercise price). SARs are exercisable beginning one year after the grant in 25% increments and thereafter annually upon the anniversary of the date of the grant of the SAR.
(6)	Shares exercisable beginning one year after grant in 25% increments and thereafter annually upon the anniversary of the date of grant of the stock option.

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