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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1420720	Ibio Inc.	IBIO	Pharmaceutical Preparations (2834)	262797813

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1120452	Jr D John Mckey	C/O Ibio, Inc. 9 Innovation Way, Suite 100 Newark DE 19711		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2012-03-13	3,300	$1.08	1,012,904	No	4	S	Indirect	Spouse
Common Stock	Disposition	2012-03-13	902	$1.09	1,012,002	No	4	S	Indirect	Spouse
Common Stock	Disposition	2012-03-13	17,307	$1.10	994,695	No	4	S	Indirect	Spouse

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	Spouse
No	4	S	Indirect	Spouse
No	4	S	Indirect	Spouse

Footnotes

Transaction by spouse of the Reporting Person.
This amendment is being filed to include in the total amount beneficially held an additional 100,000 shares of Common Stock purchased in January 2012, which purchase was reported on a Form 4 at such time. The reported amount includes 206,667 shares of Common Stock underlying vested stock options held by the Reporting Person.
The Reporting Person may be deemed to be the indirect beneficial owner of shares held by his spouse under Rule 16a-1(a)(2) promulgated under the Exchange Act. However, pursuant to Rule 16a-1(a)(4) promulgated under the Exchange Act, the Reporting Person disclaims beneficial ownership of such shares.