Biologics License Application for B-VEC remains on track to file in the US in 2Q 2022 and Marketing Authorization in the EU on track to file in 2H 2022FDA allows dosing at a patient’s home in the Open Label Extension Study of B-VEC for the treatment of DEBPositive Clinical Phase 1 (Pearl-1 Study) Efficacy Results for KB301 reported by Jeune Aesthetics, Inc., Krystal Biotech’s subsidiaryStrong balance sheet, closing the quarter with $468.0 million in cash, cash equivalents and investments PITTSBURGH, May 09, 2022 (GLOBE NEWSWIRE) — Krystal Biotech, Inc., (the “Company”) (NASDAQ: KRYS), the leader in redosable gene therapy, today reported financial results and key operational progress updates for the first quarter ending March 31, 2022. “Our primary objective in 2022 is to prepare for the potential approval and launch of B-VEC in the U.S.” said Krish S. Krishnan, chairman and chief executive officer. “We also remain focused on our B-VEC global regulatory filings and advancing our robust pipeline and we are fortunate to have a team with unwavering commitment and the financial strength to do so.” Program Highlights & Upcoming Events: B-VEC (beremagene geperpavec) for Dystrophic Epidermolysis Bullosa (“DEB”) On track to file a biologics license application (“BLA”) with the U.S. Food and Drug Administration (“FDA”) in 2Q 2022 and a marketing authorization application with the European Medicines Agency (“EMA”) in 2H 2022.New GEM-3 Phase 3 results for B-VEC were presented at the 2022 American Academy of Dermatology Annual Meeting.Following feedback from the FDA, the Company plans to offer DEB patients enrolled in the GEM-3 open label extension study the ability to be dosed in-home by a health care professional. Further study details are available at www.clinicaltrials.gov under NCT identifier NCT04917887.Results from the Phase 1 and 2 study of B-VEC for the treatment of DEB were published in Nature Medicine which provided a comprehensive analysis of the data showing that repeat topical applications of B-VEC were associated with durable wound closure, full-length cutaneous type VII collagen (COL7) expression, and anchoring fibril assembly with minimal reported adverse events. KB407 for treatment of Cystic Fibrosis (“CF”) Phase 1 clinical trial of inhaled KB407 in patients with CF in Australia is expected to start in 2Q 2022. Details of the Phase 1 study are available at www.clinicaltrials.gov under NCT identifier NCT05095246.Anticipate filing an investigational new drug (“IND”) application and initiating a Phase 1 trial clinical program in the U.S. in 2H 2022. KB105 for the treatment of Autosomal Recessive Congenital Ichthyosis (“ARCI”) Dosing the next cohort in the ongoing Phase 1/2 clinical trial of KB105 for the treatment of TGM1-deficient ARCI is on track to resume in 2022 and details of the Phase 1/2 study can be found at www.clinicaltrials.gov under NCT identifier NCT04047732. KB104 for Netherton Syndrome The Company continues to work towards an investigational new drug filing (“IND”), which is anticipated later this year. KB301 for Aesthetic Indications Jeune Aesthetics, Inc., the Company’s wholly-owned subsidiary, announced positive proof-of-concept efficacy data from Cohort 2 of the PEARL-1 study of KB301, with subjects from the trial to roll over into enrollment in a durability trial to look for duration of effect and for long term safety monitoring.Complete results from Cohort 1 focused on safety were presented at the 2021 Society for Investigative Dermatology Annual Meeting.Details of the Phase 1 study can be found at www.clinicaltrials.gov under NCT identifier NCT04540900. Corporate Highlights: Jeune Aesthetics, Inc. announced its formation and installation of a Scientific Advisory Board, comprised of industry leaders to serve as strategic advisors assisting with program strategy and clinical development.In January 2022, Jing Marantz, M.D., PhD, MBA resigned from the Board of Directors to accept the position of Chief Business Officer with the Company and E. Rand Sutherland, M.D., MPH was appointed as a member of the Board of Directors. Financial results for the quarter ended March 31, 2022: Cash, cash equivalents, and investments totaled $468.0 million on March 31, 2022.Research and development expenses for the first quarter ended March 31, 2022 were $9.3 million, compared to $6.2 million for the first quarter 2021.General and administrative expenses for the first quarter ended March 31, 2022 were $15.9 million, compared to $8.2 million for first quarter 2021.Net losses for the quarters ended March 31, 2022 and 2021 were $50.0 million and $15.8 million, or $(1.99) and $(0.74), respectively, per common share (basic and diluted).For additional information on the Company’s financial results for the first quarter ended March 31, 2022, refer to form 10-Q filed with the SEC. About Krystal Biotech, Inc.Krystal Biotech, Inc. (NASDAQ: KRYS) is a pivotal-stage gene therapy company leveraging its proprietary, redosable gene therapy platform and in-house manufacturing capabilities to develop life-changing medicines for patients with serious diseases, including rare diseases in skin, lung, and other areas. For more information please visit http://www.krystalbio.com, and follow @KrystalBiotech on LinkedIn and Twitter. About Jeune Aesthetics, Inc. Jeune Aesthetics, Inc., a wholly-owned subsidiary of Krystal Biotech, Inc., is a biotechnology company leveraging a clinically validated gene-delivery platform to develop products to fundamentally address – and reverse – the biology of aging and/or damaged skin. For more information, please visit http://www.jeuneinc.com. Forward-Looking StatementsAny statements in this press release about future expectations, plans and prospects for Krystal Biotech, Inc., including statements about the clinical utility of B-VEC, at home dosing, the timing of the Company’s BLA submission and EMA marketing authorization application, timing of the KB407 Phase 1 clinical trial program in Australia and the U.S., timing of dosing the next cohort in the ongoing Phase 1/2 clinical trial of KB105, timing of an IND filing for KB104, and other statements containing the words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “plan,” “predict,” “project,” “target,” “potential,” “likely,” “will,” “would,” “could,” “should,” “continue,” and similar expressions, constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including: uncertainties associated with regulatory review of clinical trials and applications for marketing approvals, the availability or commercial potential of product candidates including B-VEC, the sufficiency of cash resources and need for additional financing and such other important factors as are set forth under the caption “Risk Factors” in the Company’s annual and quarterly reports on file with the U.S. Securities and Exchange Commission. In addition, the forward-looking statements included in this press release represent the Company’s views as of the date of this release. The Company anticipates that subsequent events and developments will cause its views to change. However, while the Company may elect to update these forward-looking statements at some point in the future, it specifically disclaims any obligation to do so. These forward-looking statements should not be relied upon as representing the Company’s views as of any date subsequent to the date of this release. CONTACTS:Investors and Media:Meg DodgeKrystal Biotechmdodge@krystalbio.com Source: Krystal Biotech, Inc. Consolidated Balance Sheet Data: (In thousands)March 31,2022 December 31,2021Balance sheet data: Cash and cash equivalents$269,303 $341,246 Short-term investments 165,329 96,850 Long-term investments 33,339 64,371 Total assets 616,874 626,295 Total liabilities 68,320 32,719 Total stockholders’ equity$548,554 $593,576 Consolidated Statement of Operations: Three Months Ended March 31, (In thousands, except shares and per share data) 2022 2021 ChangeExpenses Research and development$9,314 $6,201 $3,113 General and administrative 15,908 8,152 7,756 Litigation settlement 25,000 — 25,000 Total operating expenses 50,222 14,353 35,869 Loss from operations (50,222) (14,353) (35,869)Other Income (Expense) Interest and other income, net 257 33 224 Interest expense — (1,492) 1,492 Total other income (expense) 257 (1,459) 1,716 Net loss$(49,965) $(15,812) $(34,153) Net loss per common share: Basic and diluted$(1.99) $(0.74) Weighted-average common sharesoutstanding: Basic and diluted 25,114,453 21,253,508