Crinetics Pharmaceuticals Announces Proposed Public Offering of Common Stock

Crinetics Pharmaceuticals Announces

Proposed Public Offering of Common Stock

SAN DIEGO October 8, 2024 Crinetics Pharmaceuticals, Inc. (Nasdaq: CRNX), a

clinical-stage pharmaceutical company focused on the discovery, development and commercialization of novel therapeutics for endocrine diseases and endocrine-related tumors, announced today that it intends to offer and sell, subject to market and

other conditions, $400.0 million of shares of its common stock in a proposed underwritten public offering. In addition, Crinetics intends to grant the underwriters a 30-day option to purchase up to an

additional $60.0 million of shares of common stock. All of the shares to be sold in the proposed offering are to be sold by Crinetics. There can be no assurance as to whether or when the offering may be completed, or as to the actual size or

terms of the offering.

Crinetics intends to use the net proceeds from the proposed offering, together with its existing cash, cash equivalents and

investment securities, to fund research and development of its clinical-stage product candidates, other research programs, pre-commercialization activities and other general corporate purposes, which may

include, among other things, capital expenditures or working capital. Crinetics may also use a portion of the remaining net proceeds, together with its existing cash, cash equivalents and investment securities, to

in-license, acquire, or invest in complementary businesses, technologies, products or assets; however, it has no current commitments or obligations to do so.

Leerink Partners and Morgan Stanley are acting as joint bookrunning managers for the proposed offering.

The securities described above are being offered by Crinetics pursuant to a shelf registration statement that became automatically effective upon its filing

with the Securities and Exchange Commission (SEC). The proposed offering may be made only by means of a prospectus supplement and accompanying prospectus. A preliminary prospectus supplement and accompanying prospectus relating to this offering will

be filed with the SEC. When available, copies of the preliminary prospectus supplement and the accompanying prospectus relating to this offering may be obtained from: Leerink Partners LLC, Attention: Syndicate Department, 53 State Street, 40th

Floor, Boston, MA 02109, by telephone at (800) 808-7525, ext. 6105, or by email at syndicate@leerink.com; or Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor,

New York, New York 10014, by email at prospectus@morganstanley.com. Electronic copies of the preliminary prospectus supplement and accompanying prospectus will also be available on the website of the SEC at www.sec.gov.

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

jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such jurisdiction.

About Crinetics Pharmaceuticals

Pharmaceuticals is a clinical stage pharmaceutical company focused on the discovery, development, and commercialization of novel therapeutics for endocrine diseases and endocrine-related tumors. Crinetics lead development candidate,

paltusotine, is the first investigational once-daily, oral, selectively-targeted somatostatin receptor type 2 (SST2) nonpeptide agonist that has completed Phase 3 clinical development for acromegaly and is in Phase 2 clinical development for

carcinoid syndrome associated with neuroendocrine tumors. Crinetics is also developing atumelnant (CRN04894), an investigational, first-in-class, oral ACTH antagonist,

that is currently completing Phase 2 clinical studies for the treatment of congenital adrenal hyperplasia and Cushing s disease. All of the company s drug candidates are orally delivered, small molecule new chemical entities resulting from

in-house drug discovery efforts, including additional discovery programs addressing a variety of endocrine conditions such as hyperparathyroidism, polycystic kidney disease, Graves disease (including

thyroid eye disease), diabetes, obesity and GPCR-targeted oncology indications.

Forward Looking Statements

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E

of the Securities Exchange Act of 1934, as amended. All statements other than statements of historical facts contained in this press release are forward-looking statements, including statements relating to the offering, including the structure,

timing, size and completion of the offering and the anticipated use of proceeds therefrom, and the grant of the option to purchase additional shares. In some cases, you can identify forward-looking statements by terms such as may,

will, should, expect, plan, anticipate, could, intend, target, project, contemplates, believes,

estimates, predicts, potential, upcoming or continue or the negative of these terms or other similar expressions. These forward-looking statements speak only as of the date of this press

release and are subject to a number of risks, uncertainties and assumptions, including the risks and uncertainties associated with market conditions and the satisfaction of customary closing conditions related to the proposed public offering, the

risks and uncertainties inherent in Crinetics business, including the risks and uncertainties described in the company s periodic filings with the SEC. The events and circumstances reflected in the company s forward-looking

statements may not be achieved or occur and actual results could differ materially from those projected in the forward-looking statements. Additional information on risks facing Crinetics can be found under the heading Risk Factors in

Crinetics periodic filings with the SEC, including its annual report on Form 10-K for the year ended December 31, 2023 and quarterly report on Form 10-Q for

the quarter ended March 31, 2024, and in the preliminary prospectus supplement related to the proposed offering to be filed with the SEC. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of

the date hereof. Except as required by applicable law, Crinetics does not plan to publicly update or revise any forward-looking statements contained herein, whether as a result of any new information, future events, changed circumstances or

Head of Investor Relations

Head of Corporate Communications