Investor toolkit Select and print the documents you need to easily assemble your own Investor Toolkit. Assemble Toolkit Request information Order documents, printed materials, or request additional investor information. Request Now Contacts Investor relations David Hanover +1.212.896.1220 harmonic@kcsa.com investor@harmonicinc.com Transfer agent Computershare Shareowner Services LLC Attn: Shareowner Relations Dept. 480 Washington Blvd Jersey City, NJ 07310 +1.800.311.5582