Sunrun Announces Pricing of Initial Public Offering

SAN FRANCISCO, Calif. – Sunrun Inc. announced today the
pricing of its initial public offering of 17,900,000 shares of common stock at
a price to the public of $14.00 per share. The common stock is expected to
begin trading on the NASDAQ stock exchange on August 5, 2015 under the ticker
symbol “RUN.”

A total of 17,482,268 shares are being offered by Sunrun and
a total of 417,732 shares are being offered by certain selling stockholders. In
addition, Sunrun and certain selling stockholders have granted the underwriters
a 30-day option to purchase an aggregate of up to 2,685,000 additional shares
of common stock to cover over-allotments, if any.

Credit Suisse Securities (USA) LLC, Goldman, Sachs & Co.
and Morgan Stanley & Co. LLC are acting as lead book-running managers for
the proposed offering. BofA Merrill Lynch and RBC Capital Markets, LLC are also
acting as book-running managers and KeyBanc Capital Markets Inc. and SunTrust
Robinson Humphrey, Inc. are acting as co-managers.

A registration statement relating to these securities has
been filed with, and declared effective by, the Securities and Exchange
Commission. Copies of the registration statement can be accessed through the Securities
and Exchange Commission’s website at www.sec.gov.
This offering is being made only by means of a prospectus. A copy of the final
prospectus, when available, may be obtained from: Credit Suisse Securities
(USA) LLC, Attention: Prospectus Department, Eleven Madison Avenue, New York,
NY 10010, by telephone at 1-800-221-1037, or by email at
[email protected]
;
from Goldman, Sachs & Co., Attention: Prospectus Department, 200 West
Street, New York, New York 10282, by telephone at 1-866-471-2526, or by email
at [email protected]
or from Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180
Varick Street, 2nd Floor, New York, NY 10014, by telephone at 1-866-718-1649,
or by email at [email protected].

This press release shall not constitute an offer to sell or
the solicitation of an offer to buy, nor shall there be any sale of these
securities in any state or jurisdiction in which such offer, solicitation, or
sale would be unlawful prior to registration or qualification under the
securities laws of any such state or jurisdiction.