Sanofi — Director's Dealing 2013

Feb 7, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KALOBIOS PHARMACEUTICALS INC (KBIO)
CIK: 0001293310
Period of Report: 2013-01-31

Reporting Person: Sanofi (Former 10% owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-01-31	Common Stock	P	87500	$8	Acquired	579030	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-02-05	Preferred Shares	$	C	431973	Disposed		Common Stock (491530)	Indirect

Footnotes

F1: Initially one-for-one. Following a reverse merger and an anti dilution conversion on January 15, 2013 the original 1 538 461 Preferred Stocks where converted into 491 530 Common Stock.

F2: Initially 1 538 461 ultimately 431 973 following a reverse merger.

F3: Exercisable at any time

F4: Not applicable

F5: Not applicable