On what exchange are Viracta’s shares traded, what is the ticker symbol and when did the company go public?

Viracta trades on the NASDAQ Global Select Market under the symbol VIRX. The company went public through a reverse
merger that was completed on February 24, 2021.

Where is Viracta’s corporate headquarters?

2533 S. Coast Hwy 101, Suite 210, Cardiff, CA 92007

When does Viracta’s fiscal year end?

The company’s fiscal year ends on December 31st.

Does Viracta pay dividends?

Viracta does not expect to declare or pay any cash or other dividends on our common stock.

Does Viracta have a direct stock purchase plan?

Viracta does not currently have a direct stock purchase plan.

Where can I find all of Viracta’s SEC filings? Where can I download and view annual and quarterly reports?

Quarterly and annual reports, as well as other SEC filings, can be accessed via the SEC Filings section on this page
or directly from the SEC at www.sec.gov.

Who is Viracta’s transfer agent and who do I contact with questions about my stock certificates?
How can I contact Viracta’s transfer agent?

6201 15th Ave
Brooklyn, NY 11219
AST Shareholder Services Call Center
Toll Free: 800.937.5449
Local & International: 718-921-8124
Hours: 8 a.m. – 8 p.m. ET Monday-Friday