INSTRUCTION FORM
With Respect to the Offer to Purchase
All Outstanding Shares of Common Stock
of
NGM BIOPHARMACEUTICALS, INC.
at
An Offer Price of $1.55 per Share in Cash
by
ATLAS NEON MERGER SUB, INC.
a wholly owned subsidiary of
ATLAS NEON PARENT, INC., an affiliate of
THE COLUMN GROUP, LP,
THE COLUMN GROUP GP, LP,
THE COLUMN GROUP II, LP,
THE COLUMN GROUP II GP, LP,
THE COLUMN GROUP MANAGEMENT, LP,
PONOI CAPITAL, LP,
PONOI MANAGEMENT, LLC,
PONOI CAPITAL II, LP,
PONOI II MANAGEMENT, LLC,
THE COLUMN GROUP III, LP,
THE COLUMN GROUP III-A, LP,
THE COLUMN GROUP III GP, LP,
THE COLUMN GROUP IV, LP,
THE COLUMN GROUP IV-A, LP,
THE COLUMN GROUP IV GP, LP,
TCG IV GP, LLC,
THE COLUMN GROUP OPPORTUNITY III, LP,
THE COLUMN GROUP OPPORTUNITY III GP, LP,
TCG OPPORTUNITY III GP, LLC,
PETER SVENNILSON,
DAVID V. GOEDDEL and
TIMOTHY KUTZKEY
The undersigned acknowledge(s) receipt of your letter and the enclosed Offer to Purchase, dated March 8, 2024 (together with any amendments or supplements thereto, the “Offer to Purchase”), and the related Letter of Transmittal (together with any amendments or supplements thereto, the “Letter of Transmittal” and, together with the Offer to Purchase, the “Offer”), in connection with the offer by Atlas Neon Merger Sub, Inc., a Delaware corporation (“Purchaser”) and a wholly-owned subsidiary of Atlas Neon Parent, Inc., a Delaware corporation (“Parent”), to purchase all of the outstanding shares of common stock, par value $0.001 per share (the “Shares”), of NGM Biopharmaceuticals, Inc., a Delaware corporation (“NGM”), other than the Rollover Shares (as defined below), for $1.55 per Share in cash (the “Offer Price”), upon the terms and subject to the conditions described in the Offer to Purchase and the Letter of Transmittal. The Offer Price will be paid subject to any applicable tax withholding and without interest. The undersigned hereby instruct(s) you to tender to Purchaser the number of Shares indicated below or, if no number is indicated, all Shares held by you for the account of the undersigned, upon the terms and subject to the conditions set forth in the Offer.
Concurrently with the execution of the Merger Agreement, Parent and Purchaser entered into a rollover agreement, dated as of the date of the Merger Agreement (the “TCG Rollover Agreement”), with The Column Group, LP, The Column Group GP, LP, The Column Group Management, LP, The Column Group II, LP, The Column Group III, LP, The Column Group III-A, LP, The Column Group IV, LP, The Column Group IV-A, LP, The Column Group Opportunity III, LP, Ponoi Capital, LP and Ponoi Capital II, LP (the “TCG Rollover