Where is Deciphera headquartered?

The Company’s headquarters are located at:
500 Totten Pond Road
Waltham, MA 02451

On which stock exchange are Deciphera’s shares traded, what is the ticker symbol and when did the Company go public?

Deciphera’s stock is traded on the Nasdaq Global Select Market under the ticker symbol DCPH. Their initial public offering was completed on September 27, 2017.

What is Deciphera’s CUSIP number?

24344T 101.

How can I purchase Deciphera common stock?

Shares of Deciphera’s common stock can be purchased by contacting a securities broker of your choice. Deciphera does not have a direct stock purchase plan.

When does Deciphera’s fiscal year end?

Deciphera’s fiscal year ends on December 31.

Who is Deciphera’s transfer agent?

The transfer agent for Deciphera’s common stock is Computershare Trust Company, N.A.

Who are Deciphera’s outside legal counsel and independent auditors?

The Company’s outside legal counsel is:
Goodwin Proctor, LLP
100 Northern Avenue
Boston, MA 02210

The Company’s independent auditor is:
PricewaterhouseCoopers LLP
101 Seaport Boulevard
Boston, MA 02210

Whom should I contact if I have further questions?

Argot Partners
Investor Relations
Melissa Forst or Sam Martin