Adamas Pharmaceuticals Announces Closing of Public Offering of Common Stock and Full Exercise of Underwriters’ Option to Purchase Additional Shares

SVB Leerink and William Blair acted as joint bookrunning managers for the offering. JMP Securities acted as lead manager for the offering.

The securities described above were offered by Adamas pursuant to a shelf registration statement previously filed with and declared effective by the Securities and Exchange Commission (the “SEC”). The final prospectus supplement and accompanying prospectus related to this offering were filed with the SEC and are available on the SEC’s website at www.sec.gov. Copies of the final prospectus supplement and the accompanying prospectus relating to this offering may be obtained, from: SVB Leerink LLC, Attention: Syndicate Department, One Federal Street, 37th Floor, Boston, MA 02110, by telephone at (800) 808 7525, ext. 6105, or by email at syndicate@svbleerink.com; or William Blair & Company, L.L.C., Attention: Prospectus Department, 150 North Riverside Plaza, Chicago, IL 60606, telephone: 1-800-621-0687, or by email: prospectus@williamblair.com.

About Adamas

At Adamas our vision is clear – to deliver innovative medicines that reduce the burden of neurological diseases on patients, caregivers and society. We are a fully integrated company focused on growing a portfolio of therapies to address a range of neurological diseases.

Source: Adamas Pharmaceuticals, Inc.

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