HISTORICAL STOCK LOOKUP Select the date below to view the historical closing price for that particular day. The closing price is not indicative of future price performance. Historical Stock Prices are provided for informational purposes only and are not intended for trading purposes. NASDAQCRIS Select A Date November 2021 SUN MON TUE WED THU FRI SAT 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 Results for Monday, November 29, 2021 $4.84 Closing Price 2,233,908 Volume $5.11 Day's High $4.81 Day's Low 1:1 Split Adjustment Aug 2 Nov 15 Nov 22 Nov 29 Dec 6 Dec 13 $0 $4 $5 Currency in USD. Quote data delayed by at least 15 minutes. © Curis, Inc. 2019 - All Rights Reserved Terms of UsePrivacy Policy , in accordance with our privacy policies. I Understand

HISTORY The symbol included above the ‘i’ in Curis is known as a fermata. A fermata is used in written notes of musical pieces to indicate the prolongation of a note, a rest of indefinite duration, or the closing of a piece. At Curis, we apply this meaning to cancer, by developing novel therapies for slowing or preventing the progression of cancer and prolonging life – or closing and curi͒ng cancer. © Curis, Inc. 2021 - All Rights Reserved Terms of Use Privacy Policy , in accordance with our privacy policies. I Understand ABOUT COLLABORATIONS PATIENTS PIPELINE INVESTORS CAREERS CONTACT

EVENTS & PRESENTATIONS Latest Presentation (1.9 MB) Browse the calendar to view Investor related events and announcements. Webcasts and presentations that have been archived are available by viewing historical event details. Investor Alerts 2021 November December All Categories Webcasts GO Upcoming Events Past Events December 2021 Wednesday, December 1, 2021 11:00am EST Add to Calendar Set Email Reminder Listen to the Webcast B. Riley Fall Best Ideas in Oncology Panel Series —Emerging Targeted Therapies in Acute Myeloid Leukemia More Past Events Thursday, November 18, 2021 12th Annual Jefferies Global Healthcare Conference Tuesday, November 9, 2021 Curis Inc. Third Quarter 2021 Financial Results Monday, November 8, 2021 30th Annual Credit Suisse Healthcare Conference Thursday, September 30, 2021 Cantor Global Healthcare Conference Friday, September 10, 2021 Morgan Stanley Virtual Global Healthcare Conference Tuesday, August 3, 2021 Curis Inc. Second Quarter 2021 Financial Results Friday, June 11, 2021 Curis, Inc. Virtual KOL Event to Discuss Data Presented at EHA Tuesday, June 1, 2021 Jefferies Virtual Healthcare Conference Wednesday, May 12, 2021 Curis Inc. First Quarter 2021 Financial Results Tuesday, April 13, 2021 20th Annual Needham Virtual Healthcare Conference © Curis, Inc. 2019 - All Rights Reserved Terms of UsePrivacy Policy , in accordance with our privacy policies. I Understand

FINANCIAL INFORMATION NASDAQCRIS $4.84 NASDAQCRIS Open $5.08 Change -$0.26 (-5.10%) Day's Range $4.81 - $5.11 52-Week Range $1.09 - $17.40 Volume 2.3M Market Cap $443.4M Currency in USD. Quote data delayed by at least 15 minutes. © Curis, Inc. 2019 - All Rights Reserved Terms of UsePrivacy Policy , in accordance with our privacy policies. I Understand