CURIS INC — Director's Dealing 2013

May 6, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

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

Reporting Person: PASSERI DANIEL R (CEO and Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-02	Common stock	M	50000	$2.43	Acquired	200750	Direct
2013-05-02	Common stock	S	50000	$3.66	Disposed	150750	Direct
2013-05-03	Common stock	M	65000	$2.43	Acquired	215750	Direct
2013-05-03	Common stock	S	65000	$3.73	Disposed	150750	Direct
2013-05-06	Common stock	M	262667	$2.43	Disposed	413417	Direct
2013-05-06	Common stock	F	135000	$3.63	Disposed	278417	Direct
2013-05-06	Common stock	S	60000	$3.66	Disposed	218417	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-02	Non-qualified stock option	$2.43	M	50000	Disposed	2013-05-13	Common stock (50000)	Direct
2013-05-03	Non-qualified stock option	$2.43	M	65000	Disposed	2013-05-13	Common stock (65000)	Direct
2013-05-06	Non-qualified stock option	$2.43	M	211452	Disposed	2013-05-13	Common stock (211452)	Direct
2013-05-06	Qualified stock option	$2.43	M	51215	Disposed	2013-05-13	Common stock (51215)	Direct

Footnotes

F1: These shares were sold between $3.50-$3.74/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.

F3: These shares were sold between $3.70-$3.79/share. The Company will provide, upon request, full information regarding the number of shares sold at each separate price.

F4: These shares were sold between $3.62-$3.74/share. The Company will provide, upon request, full information regarding the number of shares sold at each separate price.