FORTE BIOSCIENCES, INC. ANNOUNCES THIRD QUARTER 2020 RESULTS AND PROVIDES GENERAL BUSINESS UPDATE TORRANCE, CA NOVEMBER 9, 2020 Forte Biosciences, Inc. ( www.fortebiorx.com ) (NASDAQ: FBRX), a clinical-stage biopharmaceu

FORTE BIOSCIENCES, INC. ANNOUNCES THIRD QUARTER 2020 RESULTS AND PROVIDES GENERAL BUSINESS UPDATE

TORRANCE, CA NOVEMBER 9, 2020 Forte Biosciences, Inc. (www.fortebiorx.com) (NASDAQ:

FBRX), a clinical-stage biopharmaceutical company, today announced third quarter 2020 financial results and provided a general business update.

This was an eventful quarter for Forte with significant progress in advancing FB-401 for the treatment of atopic

dermatitis. said Paul Wagner, Ph.D., CEO of Forte Biosciences The initiation of our randomized trial in atopic dermatitis patients, including adults and children 2 years of age and older, was a pivotal event and the achievement of this

important milestone was the result of a fantastic effort by the Forte team. There is a significant need for safe and effective atopic dermatitis therapies, particularly for children, and we were pleased by the FDA s recognition of this unmet

need with the granting of Fast Track designation to FB-401 for the treatment of atopic dermatitis.

Quarter 2020 Results

In September 2020, Forte initiated a multi-center, placebo controlled clinical trial of our lead product candidate,

FB-401 which is expected to enroll pediatric, adolescent and adult atopic dermatitis ( AD ) subjects aged 2 years of age and older. For additional information about the trial,

see ClinicalTrials.gov using the identifier NCT04504279.

In October 2020, the U.S. Food and Drug Administration ( FDA ) granted Fast

Track Designation to FB-401 for the treatment of atopic dermatitis.

Forte Biosciences ended the quarter with

approximately $20.2 million in cash which the company believes is sufficient to fund operations for at least the next 12 months. Approximately $2.4 million of the cash utilization in the quarter was due to merger related costs. Forte had

11.2 million shares of common stock outstanding as of September 30, 2020. Following the close of the quarter, Forte raised $46.0 million in gross proceeds from a public offering on November 2nd.

development expenses were $3.7 million and $7.0 million for the three and nine months ended September 30, 2020, respectively, compared to $0.4 million and $1.5 million for the comparable periods in 2019. The increases in

2020 were primarily due to manufacturing costs and clinical development costs as we continue to advance FB-401.

General and administrative expenses were $1.3 million and $2.8 million for the three and nine months ended September 30, 2020, respectively,

compared to $0.3 million and $1.0 million for the comparable periods in 2019. The increases in 2020 were primarily due to professional fees for legal, auditing, tax and business consulting services, and personnel expenses as we

transitioned to being a public company.

In 2Q 2020, we recognized a charge of $32.1 million for acquired

in-process research and development related to the reverse merger with Tocagen which closed on June 15th.

FORTE BIOSCIENCES, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

thousands, except share and per share amounts)

Additional detail on our financial results for the third quarter 2020 can be found in our Form

10-Q as filed today with the SEC. You can also find more information in the investor relations section of our website at

Conference Call and Webcast Information

management will host a conference call and webcast today at 4:30 PM Eastern Time. Participants may access the call by dialing 877-705-6003 (Domestic) or 201-493-6725 (International), the conference ID number is: 13712591. The call will also be webcast and can be accessed from the investor relations section of Forte s

website at https://www.fortebiorx.com/ or http://public.viavid.com/index.php?id=142246. A replay of the call will also be available through November 16th.

Forte Biosciences, Inc. is a clinical stage,

dermatology company developing a live biotherapeutic, FB-401, for the treatment of inflammatory skin diseases. FB-401 has completed Phase 1/2a testing in adult and

pediatric (3 years of age and older) patients with atopic dermatitis. There is a significant unmet need for safe and effective therapies particularly for pediatric atopic dermatitis patients. In September 2020, Forte initiated a

multi-center, placebo controlled clinical trial of FB-401 which is expected to enroll approximately 124 pediatric, adolescent and adult AD subjects aged 2 years of age and older. For additional information

about the trial, see ClinicalTrials.gov using the identifier NCT04504279.

Forward Looking Statements

Forte cautions you that statements included in this press release that are not a description of historical facts are forward-looking statements. 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 or continue or the negatives of these terms or other similar expressions. These statements are based

on the Company s current beliefs and expectations. Forward looking statements include statements regarding Forte s beliefs, goals, intentions and expectations regarding the potential of Fast Track designation to accelerate development and

approval of FB-401and achieve potential clinical development milestones in the future. Actual results and the timing of events could differ materially from those anticipated in such forward-looking statements

as a result of these risks and uncertainties, which include, without limitation: risks related to Forte s ability to obtain sufficient additional capital to continue to advance Forte s product candidates and preclinical programs;

uncertainties associated with the clinical development and regulatory approval of Forte s product candidates, including potential delays in the commencement, enrollment and completion of clinical trials; the risk that interim results of

clinical trials do not necessarily predict final results and that one or more of the clinical outcomes may materially change as patient enrollment continues, following more comprehensive reviews of the data, and as more patient data become

available; the risk that unforeseen adverse reactions or side effects may occur in the course of developing and testing product candidates; risks associated with the failure to realize any value from product candidates and preclinical programs being

developed and anticipated to be developed in light of inherent risks and difficulties involved in successfully bringing product candidates to market; and risks related to the impact of the COVID-19 outbreak on

Forte s operations, the biotechnology industry and the economy generally. Information on these and additional risks, uncertainties, and other information affecting Forte s business and operating results is contained in Forte s

Quarterly Report on Form 10-Q for the quarter ended September 30, 2020 filed with the Securities and Exchange Commission on November 9, 2020 and in its other filings with the Securities and Exchange

Commission. All forward-looking statements in this press release are current only as of the date hereof and, except as required by applicable law, Forte undertakes no obligation to revise or update any forward-looking statement, or to make any other

forward-looking statements, whether as a result of new information, future events or otherwise. All forward-looking statements are qualified in their entirety by this cautionary statement. This caution is made under the safe harbor provisions of the

Private Securities Litigation Reform Act of 1995.

Forte Biosciences, Inc.

Mike Moyer, Managing Director