Acerus Provides Business Update on NATESTO®

TORONTO–(BUSINESS WIRE)–Acerus Pharmaceuticals Corporation (TSX: ASP, OTCQB: ASPCF) (“Acerus” or the “Company”) announced today an update relative to the Company’s NATESTO^® business. The Company announced that Hyundai Pharm Co., Ltd. (“Hyundai”) has officially launched the commercialization of NATESTO® in South Korea.

Hyundai, Acerus’ licensee for South Korea, officially launched NATESTO^® at the Korean Symposium on Sexual Medicine and Andrology (KSSMA). Hyundai plans to continue to ramp up launch activities throughout the remainder of 2019 with both seminars to key physicians and an ongoing presence at medical congresses. This confirms the first commercial launch of NATESTO^® outside North America.

“Acerus continues to achieve important commercial milestones related to the global evolution of NATESTO^®. We look forward to the continued success of Hyundai’s launch over the coming quarters,” said Ed Gudaitis, President and Chief Executive Officer of Acerus.

About NATESTO^® (Testosterone) Nasal Gel

NATESTO^® is a nasal gel formulation of testosterone developed by Acerus Pharmaceutical Corporation and indicated as a replacement therapy for men diagnosed with conditions associated with a deficiency or absence of endogenous testosterone (hypogonadism). It is the first and only nasally-administered testosterone product approved by the U.S. FDA, Health Canada and South Korea Ministry of Food and Drug Safety (MFDS), available in a ‘no-touch’ dispenser with a metered dose pump.

A copy of the NATESTO^® Canadian product monograph can be found at: http://www.aceruspharma.com/English/products-and-pipeline/NATESTO^®/default.aspx. For further information, specific to the U.S. product dosing and administration, please visit: www.NATESTO^®.com.

About Acerus

Acerus Pharmaceuticals Corporation is a Canadian-based specialty pharmaceutical company focused on the commercialization and development of innovative prescription products that improve patient experience, with a primary focus in the field of men’s health. The Company commercializes its products via its own salesforce in Canada, and through a global network of licensed distributors in the U.S. and other territories.

Acerus’ shares trade on TSX under the symbol ASP and on OTCQB under the symbol ASPCF. For more information, visit www.aceruspharma.com and follow us on Twitter and LinkedIn.

About Hyundai Pharm Co., Ltd.

Founded in 1965, HYUNDAI Pharm Co., Ltd. is a pharmaceutical company engaged in R&D, manufacturing and distribution of pharmaceutical products, health and food drinks, as well as medical equipment. In the pharmaceutical field, HYUNDAI is a leading expert in various therapeutic categories (CV, respiratory system, women’s & men’s health, CNS, and oncology) with specialized and unique products. The company is headquartered in Seoul, South Korea and is publicly traded on the Korea Stock Exchange. For more information, visit www.hyundaipharm.co.kr/english/index.jsp.

Notice Regarding Forward-Looking Statements

Information in this press release that is not current or historical factual information may constitute forward looking information within the meaning of securities laws. Implicit in this information are assumptions regarding our future operational results. These assumptions, although considered reasonable by the company at the time of preparation, may prove to be incorrect. Readers are cautioned that actual performance of the company is subject to a number of risks and uncertainties, including with respect to the potential commercial success of NATESTO^® in South Korea, and could differ materially from what is currently expected as set out above. For more exhaustive information on these risks and uncertainties you should refer to our annual information form dated March 4, 2019 which is available at www.sedar.com. Forward-looking information contained in this press release is based on our current estimates, expectations and projections, which we believe are reasonable as of the current date. You should not place undue importance on forward-looking information and should not rely upon this information as of any other date. While we may elect to, we are under no obligation and do not undertake to update this information at any particular time, whether as a result of new information, future events or otherwise, except as required by applicable securities law.

Contacts

Acerus Pharmaceuticals Corporation

Edward Gudaitis

President and Chief Executive Officer

[email protected]

(905) 817-8194