CURIS INC — Director's Dealing 2013

May 3, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CURIS INC (CRIS)
CIK: 0001108205
Period of Report: 2013-05-02

Reporting Person: NOEL MARK (VP, Tech Management)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-02	Common stock	M	52258	$2.43	Acquired	79798	Direct
2013-05-02	Common stock	S	52258	$3.66	Disposed	27540	Direct
2013-05-02	Common stock	M	17742	$2.43	Acquired	45282	Direct
2013-05-02	Common stock	S	17742	$3.66	Disposed	27540	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-02	Qualified stock option (right to buy)	$2.43	M	52258	Acquired	2013-05-13	Common stock (52258)	Direct
2013-05-02	Nonqualified stock option (right to buy)	$2.43	M	17742	Acquired	2013-05-13	Common stock (17742)	Direct

Footnotes

F1: These shares were sold between $3.65-$3.70/share. The Company will provide, upon request, full information regarding the number of shares sold at each separate price.

F2: Options vested over a four-year period and became fully vested on May 13, 2007.