Aptevo Therapeutics Announces Inclusion in the Russell Microcap(R) Index

SEATTLE, WA / ACCESSWIRE / June 29, 2021 / Aptevo Therapeutics Inc. (“Aptevo”) (NASDAQ:APVO), a clinical-stage biotechnology company focused on developing novel immuno-oncology therapeutics based on its proprietary ADAPTIR™ and ADAPTIR-FLEX™ platform technologies today announced that the company has been added to the Russell Microcap^® Index at the conclusion of the 2021 annual reconstitution. Aptevo’s inclusion in the index became effective after the US market opened yesterday, June 28, 2021.

Membership in the Russell Microcap^® Index, which remains in place for one year, means automatic inclusion in the appropriate growth and value style indexes. FTSE Russell determines membership for its Russell indexes primarily by objective, market-capitalization rankings and style attributes.

“We are pleased to be joining the Russell Microcap^® Index this year, as this inclusion represents increasing value to shareholders and opportunity for potential shareholders, after a year of significant achievement of clinical, pre-clinical and business goals,” said Mr. Marvin White, President and CEO of Aptevo.

An immuno-oncology company, Aptevo is focused on discovering and developing novel therapeutics for difficult-to-treat hematologic malignances and solid tumors. Drug candidates are developed from the Company’s proprietary platforms, ADAPTIR and ADAPTIR-FLEX, which are capable of generating highly differentiated bispecific and multi-specific antibodies. The Company recently announced completion of the dose escalation part of a Phase 1b clinical trial with lead drug candidate APVO436 for the treatment of acute myeloid leukemia (AML) and myelodysplastic syndrome. Interim results showed the drug was well tolerated and had a manageable side effect profile. The primary endpoint – identification of a recommended Phase 2 dose – was also achieved. The Company also announced activation of the expansion part of the trial, which will simultaneously evaluate APVO436 in five cohorts of 18 patients each (N=90) in both combination and monotherapy.

About the Russell Indexes
Russell indexes are widely used by investment managers and institutional investors for index funds and as benchmarks for active investment strategies. Approximately $10.6 trillion in assets are benchmarked against Russell’s US indexes. Russell indexes are part of FTSE Russell, a leading global index provider. For more information on the Russell Microcap^® Index and the Russell indexes reconstitution, go to the “Russell Reconstitution” section on the FTSE Russell website.

About Aptevo Therapeutics
Aptevo Therapeutics Inc. is a clinical-stage biotechnology company focused on developing novel immunotherapies for the treatment of cancer. The Company’s lead clinical candidate, APVO436, and preclinical candidates, ALG.APV-527 and APVO603, were developed based on the Company’s versatile and robust ADAPTIR™ modular protein platform technology. APVO442 was developed based on the new ADAPTIR-FLEX™ platform technology. The ADAPTIR and ADAPTIR-FLEX platforms are capable of generating highly differentiated bispecific and multi-specific antibodies with potentially unique mechanisms of action for the treatment of different types of cancer. Aptevo is seeking to leverage its deep expertise in oncology drug development to improve treatment outcomes and survival of cancer patients with a special emphasis on difficult to treat forms of cancer. For more information, please visit www.aptevotherapeutics.com.

Safe Harbor Statement
This press release includes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements, other than statements of historical fact, including, without limitation, Aptevo’s expectations about the activity, efficacy and safety of its therapeutic candidates and potential use of any such candidates as therapeutics for treatment of disease, advancement of its clinical trials and its expectations regarding the effectiveness of its ADAPTIR and ADAPTIR-FLEX platforms, and any other statements containing the words “may,” “believes,” “expects,” “anticipates,” “hopes,” “intends,” “optimism,” “potential,” “designed,” “engineered,” “breakthrough,” “innovative,” “innovation,” “promising,” “plans,” “forecasts,” “estimates,” “will” and similar expressions are intended to identify forward-looking statements. These forward-looking statements are based on Aptevo’s current intentions, beliefs and expectations regarding future events. Aptevo cannot guarantee that any forward-looking statement will be accurate. Investors should realize that if underlying assumptions prove inaccurate or unknown risks or uncertainties materialize, actual results could differ materially from Aptevo’s expectations. Investors are, therefore, cautioned not to place undue reliance on any forward-looking statement.

There are a number of important factors that could cause Aptevo’s actual results to differ materially from those indicated by such forward-looking statements, including a deterioration in Aptevo’s business or prospects; adverse developments in clinical development, including unexpected safety issues observed during a clinical trial; adverse developments in the U.S. or global capital markets, credit markets or economies generally; and changes in regulatory, social and political conditions. For instance, actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including the uncertainties inherent in the initiation and enrollment of future clinical trials, availability and timing of data from ongoing clinical trials, expectations for the timing and steps required in the regulatory review process, expectations for regulatory approvals, the impact of competitive products, actions of activist stockholders, our ability to enter into agreements with strategic partners and other matters that could affect the availability or commercial potential of the Company’s product candidates, business or economic disruptions due to catastrophes or other events, including natural disasters or public health crises such as the novel coronavirus (referred to as COVID-19). These risks are not exhaustive, Aptevo faces known and unknown risks. Additional risks and factors that may affect results are set forth in Aptevo’s filings with the Securities and Exchange Commission, including its Annual Report on Form 10-K for the fiscal year ended December 31, 2020 and its subsequent reports on Form 10-Q and current reports on Form 8-K. The foregoing sets forth many, but not all, of the factors that could cause actual results to differ from Aptevo’s expectations in any forward-looking statement. Any forward-looking statement speaks only as of the date of this press release, and, except as required by law, Aptevo does not assume any obligation to update any forward-looking statement to reflect new information, events or circumstances.

Contact
Investors or Media
Miriam Weber Miller
Head, Investor Relations & Corporate Communications
Email: millerm@apvo.com or IR@apvo.com
Phone: (206) 859-6628

SOURCE: Aptevo Therapeutics

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