INCHEON, Korea and Jersey City, N.J., United States - Samsung Bioepis Co., Ltd. and Organon & Co. (NYSE: OGN) announced the U.S. Food and Drug Administration (FDA) has approved the citrate-free, high-concentration (100 mg/mL) formulation of HADLIMA (adalimumab-bwwd), a biosimilar referencing HUMIRA (adalimumab). HADLIMA will be available in pre-filled syringe and autoinjector options, and the autoinjector was specifically designed with the patient in mind. HADLIMA was previously approved by the FDA as a low-concentration (50 mg/mL) formulation in July 2019 and outside the US that formulation has been available in various markets globally under different brand names, with over 5 million doses sold since 2018.1,2

'With this approval, we now have both a low and high concentration adalimumab biosimilar approved by the FDA, marking an important step towards expanding treatment options for patients suffering from certain chronic, autoimmune diseases,' said Byoungin Jung, Vice President and Regulatory Affairs Team Leader, Samsung Bioepis. 'By leveraging our development expertise, manufacturing excellence and supply chain reliability, we will continue our work to ensure healthcare systems have more affordable treatment options available,' she added.

'Based on our success commercializing our adalimumab biosimilar in other markets around the world, combined with our established presence in the biosimilar space, we are excited about the opportunity to launch HADLIMA in the US in 2023,' said Joe Azzinaro, Vice President, Global Commercial Lead Biosimilars, Organon. 'Today, adalimumab is the largest drug expense in the US. We look forward to making our biosimilar available for those that rely on it to help manage their disease.'

The approval of citrate-free, high-concentration HADLIMA was based on clinical data from a randomized, single-blind, two-arm, parallel group, single-dose study that compared the pharmacokinetics, safety, tolerability, and immunogenicity of two formulations of HADLIMA (100 mg/mL vs 50 mg/mL) in healthy volunteers.3

HADLIMA is expected to be launched on or after July 1, 2023 by Organon.

About Biosimilars

A biosimilar is a biologic product that is highly similar to and has no clinically meaningful differences from an existing FDA-approved reference product.4 Biologics are the fastest-growing class of therapeutic products in the U.S., and biosimilars can increase competition in the marketplace, potentially lowering health care costs.4 Wider use of biosimilars could result in savings of $100 billion in the U.S. between 2020 to 2024 by stimulating market competition.5

About HADLIMA (adalimumab-bwwd)

HADLIMA is a tumor necrosis factor (TNF) blocker indicated for:

Rheumatoid Arthritis - HADLIMA is indicated, alone or in combination with methotrexate or other non-biologic disease-modifying anti-rheumatic drugs (DMARDs), for reducing signs and symptoms, inducing major clinical response, inhibiting the progression of structural damage, and improving physical function in adult patients with moderately to severely active rheumatoid arthritis.

Juvenile Idiopathic Arthritis - HADLIMA is indicated, alone or in combination with methotrexate, for reducing signs and symptoms of moderately to severely active polyarticular juvenile idiopathic arthritis in patients 2 years of age and older.

Psoriatic Arthritis - HADLIMA is indicated, alone or in combination with non-biologic DMARDs, for reducing signs and symptoms, inhibiting the progression of structural damage, and improving physical function in adult patients with active psoriatic arthritis.

Ankylosing Spondylitis - HADLIMA is indicated for reducing signs and symptoms in adult patients with active ankylosing spondylitis.

Crohn's Disease - HADLIMA is indicated for the treatment of moderately to severely active Crohn's disease in adults and pediatric patients 6 years of age and older.

Ulcerative Colitis - HADLIMA is indicated for the treatment of moderately to severely active ulcerative colitis in adults and pediatric patients 5 years of age and older.

Limitations of Use: The effectiveness of HADLIMA has not been established in patients who have lost response to or were intolerant to TNF blockers.

Plaque Psoriasis - HADLIMA is indicated for the treatment of adult patients with moderate to severe chronic plaque psoriasis who are candidates for systemic therapy or phototherapy, and when other systemic therapies are medically less appropriate. HADLIMA should only be administered to patients who will be closely monitored and have regular follow-up visits with a physician.

About Samsung Bioepis Co., Ltd.

Established in 2012, Samsung Bioepis is a biopharmaceutical company committed to realizing healthcare that is accessible to everyone. Through innovations in product development and a firm commitment to quality, Samsung Bioepis aims to become the world's leading biopharmaceutical company. Samsung Bioepis continues to advance a broad pipeline of biosimilar candidates that cover a spectrum of therapeutic areas, including immunology, oncology, ophthalmology, hematology, endocrinology, and gastroenterology. For more information, please visit: www.samsungbioepis.com and follow us on social media - Twitter, LinkedIn.

About Organon

Organon is a global healthcare company formed to focus on improving the health of women throughout their lives. Organon has a portfolio of more than 60 medicines and products across a range of therapeutic areas. Led by the women's health portfolio coupled with an expanding biosimilars business and stable franchise of established medicines, Organon's products produce strong cash flows that will support investments in innovation and future growth opportunities. In addition, Organon is pursuing opportunities to collaborate with biopharmaceutical innovators looking to commercialize their products by leveraging its scale and presence in fast growing international markets.

Organon has a global footprint with significant scale and geographic reach, world-class commercial capabilities, and approximately 9,300 employees with headquarters located in Jersey City, New Jersey.

For more information, visit http://www.organon.com and connect with us on Linkedin and Instagram.

Forward-Looking Statements

Except for historical information herein, this news release includes 'forward-looking statements' within the meaning of the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995, including, but not limited to, statements about Organon management's expectations about Organon's launch and commercialization of HADLIMA and its collaboration with Samsung Bioepis. Forward-looking statements may be identified by words such as 'expects,' 'intends,' 'anticipates,' 'plans,' 'believes,' 'seeks,' 'estimates,' 'will' or words of similar meaning. These statements are based upon the current beliefs and expectations of Organon's management and are subject to significant risks and uncertainties. If underlying assumptions prove inaccurate or risks or uncertainties materialize, actual results may differ materially from those set forth in the forward-looking statements.

Risks and uncertainties include, but are not limited to, an inability to execute on our business development strategy or realize the benefits of our planned acquisitions; general economic factors, including interest rate and currency exchange rate fluctuations; general industry conditions and competition; the impact of the ongoing COVID-19 pandemic and emergence of variant strains; the impact of pharmaceutical industry regulation and health care legislation in the United States and internationally; global trends toward health care cost containment; technological advances; new products and patents attained by competitors; challenges inherent in new product development, including obtaining regulatory approval; Organon's ability to accurately predict its future financial results and performance; Organon's ability to accurately predict future market conditions; manufacturing difficulties or delays; financial instability of international economies and sovereign risk; difficulties developing and sustaining relationships with commercial counterparties; dependence on the effectiveness of Organon's patents and other protections for innovative products; and the exposure to litigation, including patent litigation, and/or regulatory actions.

Organon undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events or otherwise. Additional factors that could cause results to differ materially from those described in the forward-looking statements can be found in Organon's filings with the Securities and Exchange Commission (SEC), including Organon's Annual Report on Form 10-K for the year ended December 31, 2021 and subsequent SEC filings, available at the SEC's Internet site (www.sec.gov).

References and links to websites have been provided for convenience, and the information contained on any such website is not a part of, or incorporated by reference into, this press release. Organon is not responsible for the contents of third-party websites.

Contact:

Media

Samsung Bioepis

Anna Nayun Kim

E: nayun86.kim@samsung.com

Yoon Kim

E: yoon1.kim@samsung.com

Media

Organon

Karissa Peer

E: karissa.peer@organon.com

Hannah Silver

E: hannah.silver@organon.com

Kim Burke Hamilton

E: kim.hamilton@organon.com

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