5980 Horton Street
Suite 405
Emeryville, CA 94608

Ligand is incorporated in Delaware

Ligand’s transfer agent is Computershare Trust Company, N.A. Please see below for the transfer agent contact information:

Computershare Trust Company, N.A.
462 South 4th Street, Suite 1600
Louisville, KY 40202
Phone : (800) 710-0940
www.computershare.com/investor

Ligand’s stock trades on the NASDAQ stock market under the ticker symbol LGND

Ligand’s stock began trading on the NASDAQ stock exchange on November 18, 1992 under the ticker symbol LGND

No, Ligand does not offer a direct purchase plan

You can register for alerts at https://investor.ligand.com/email-alerts

Email your questions to investors@ligand.com please include your name and a contact phone number so that we may contact you via phone if necessary

Ligand’s fiscal year end is December 31

Ernst & Young LLP