2020 Proxy Materials

2020 Special Meeting of Stockholders

March 31, 2020 at 10:00 a.m. ET

To attend the virtual meeting, please visit the following site: www.virtualshareholdermeeting.com/MRNS2020

Click here to vote your shares or request a paper or email copy of the Company's proxy materials for the 2020 special meeting of stockholders.

Please have your 16-digit control number in hand when you click the above link. Your 16-digit control number is printed on your proxy card or notice of internet availability of proxy materials, whichever you have received.

Proxy Materials