2018 Annual Meeting of Shareholders

To attend the meeting in person

Only Denali shareholders as of the record date set forth in our proxy materials are entitled to attend the Annual Meeting in person. Admission to the Annual Meeting will be on a first-come, first-served basis.

For admission, you will be asked to present government-issued photo identification, such as a driver’s license, state-issued ID card, or passport, as well as appropriate proof of share ownership as of the record date or other documentation as described in our Proxy Statement (available at the link provided above) under the heading "Attending the Annual Meeting." If you do not provide the required documentation, or comply with the other procedures outlined in our Proxy Statement, you will not be admitted.

Meeting information and location is included below. Please allow ample time for check-in. Parking may be limited. Please note that cameras, recording devices, and other electronic devices are prohibited at the Annual Meeting.

Date and Time

June 13, 2018, 10:30 a.m. PST

Location

151 Oyster Point Blvd

Floor 2

South San Francisco, CA 94080

Directions

Take the Oyster Pt Blvd exit from the 101 and head towards Gateway Blvd.  Take a left on Gateway Blvd and park in the parking garage. Once you have exited the parking garage, you will walk East towards building 151. Enter through the lobby to building 151 and head to the elevators.  Denali is located on the 2nd floor.

Proxy materials, voting information and additional details can be found at http://www.astproxyportal.com/ast/21888