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News Release

We are focused on the rapid design and development of new medicines based on breakthroughs in cancer research.
Prelude Therapeutics Announces First Quarter 2022 Financial Results and Operations Update
May 10, 2022 at 8:00 AM EDT

Prelude remains on track for clinical data readouts and next steps for the PRMT5 program, MCL1 inhibitor PRT1419, and CDK9 inhibitor PRT2527 in 2H2022

Strong cash and cash equivalents of $266.2 million as of March 31, 2022, expected to fund operations into 2H2024

WILMINGTON, Del., May 10, 2022 (GLOBE NEWSWIRE) -- Prelude Therapeutics Incorporated (“Prelude”) (Nasdaq: PRLD), a clinical-stage precision oncology company, today reported financial results for the first quarter ended March 31, 2022, and provided an update on recent clinical and development pipeline progress.

“Prelude continues to make great progress in discovering and advancing a diverse pipeline of differentiated small molecules, and with our current cash runway, we have the opportunity to deliver on numerous meaningful milestones. I’m delighted to have Jane onboard and am confident in her leadership to guide focused clinical development of our pipeline and organizational growth,” said Kris Vaddi, Ph.D., Chief Executive Officer.

“I’m excited to be a part of Prelude’s continued progress,” said Jane Huang, M.D., President and Chief Medical Officer. “Looking ahead, we remain on track with ongoing development of our PRMT5 program, that will drive strategic decisions in the second half of the year. In parallel, we are focused on rapidly progressing our MCL1 candidate, PRT1419, into expansion and combination cohorts, and identifying a Phase 2 dose for PRT2527, our CDK9 inhibitor. We are also on track for Investigational New Drug (IND) submissions for both our SMARCA2 degrader and PRT3645, our brain penetrant CDK4/6 inhibitor, in the second half of the year. It’s clear that Prelude’s discovery engine, depth and breadth of the pipeline, coupled with an experienced management team, will position us to deliver potential medicines for patients with underserved cancers.”

Recent Highlights and Upcoming Objectives

  • 2022 AACR Annual Meeting: During the quarter, Prelude participated in the 2022 American Association for Cancer Research (AACR) Annual Meeting. Four posters and one oral presentation providing data on Prelude’s clinical and preclinical pipeline molecules, with highly potent, selective and differentiated properties, were presented as part of the scientific conference.

  • PRMT5 Inhibitor Program: As previously announced, Prelude has prioritized PRT811 for clinical development in select expansion cohorts. Prelude intends to complete the data analyses of the ongoing expansion cohorts and expects to announce next steps for the PRMT5 program in 2H2022.

  • MCL1 Inhibitor Program: As previously announced, Prelude has prioritized development of the intravenous formulation of PRT1419, which demonstrated a desirable pharmacokinetic, pharmacodynamic and safety profile, with potential for differentiation from competitor compounds. Prelude remains on track to begin evaluating combinations with PRT1419 by mid-year.

  • CDK9 Inhibitor Program: Prelude remains on track to complete enrollment in the Phase 1 dose escalation study of PRT2527 and identify a recommended Phase 2 dose by 2H2022.

  • CDK4/6 Inhibitor Program: Prelude continues to expect to file an IND application mid-year, with the initiation of a Phase 1 trial of PRT3645 to follow in 2H2022.

  • SMARCA2/BRM Protein Degrader Program: Prelude remains on track to complete IND-enabling studies and submit an IND application by year-end 2022.

Corporate Update

  • In March 2022, Prelude announced the appointment of Jane Huang, M.D., effective April 4, 2022, to the newly created position of President and Chief Medical Officer. Dr. Huang joins Prelude from BeiGene Ltd., where she served as Chief Medical Officer, Hematology. Currently, Dr. Huang serves as an Adjunct Clinical Assistant Professor in Thoracic Oncology at Stanford University.

First Quarter 2022 Financial Results

Cash, Cash Equivalents and Marketable Securities: Cash, cash equivalents, and marketable securities as of March 31, 2022, were $266.2 million. Prelude anticipates that its existing cash, cash equivalents and marketable securities will fund Prelude’s operations into the second half of 2024.

Research and Development (R&D) Expenses: For the first quarter of 2022, R&D expense increased to $22.8 million from $16.5 million for the prior year period. Included in research and development expenses for the quarter ended March 31, 2022, was $3.2 million of non-cash expense related to stock-based compensation expense, including employee stock options, as compared to $1.8 million for the prior year period. The increase in research and development expense was primarily due to an increase in discovery-stage program expenses and from the growth and advancement of our clinical pipeline. We expect our research and development expenses to vary from quarter to quarter, primarily due to the timing of our clinical development activities.

General and Administrative (G&A) Expenses: For the first quarter of 2022, G&A expense increased to $7.5 million from $5.5 million for the prior year period. Included in the G&A expenses for the quarter ended March 31, 2022, was $3.6 million of non-cash expense related to stock-based compensation expense, including employee stock options, as compared to $2.0 million for the prior year period. The increase in G&A expense was primarily due to an increase in our non-cash stock compensation expense along with professional fees as we expanded our operations to support our research and development efforts.

Net Loss: For the three months ended March 31, 2022, net loss was $29.5 million, or $0.63 per share of common stock, basic and diluted compared to $21.3 million, or $0.47 per share, respectively, for the prior year period. Included in the net loss for the quarter ended March 31, 2022, was $6.8 million of non-cash expense related to the impact of expensing share-based payments, including employee stock options, as compared to $3.9 million for the prior year period.

About Prelude

Prelude is a clinical-stage precision oncology company developing innovative drug candidates targeting critical cancer cell pathways. Prelude’s diverse pipeline is comprised of highly differentiated, potentially best-in-class proprietary small molecule compounds aimed at addressing clinically validated pathways for cancers with selectable underserved patients. Prelude’s pipeline includes four candidates currently in clinical development: PRT811 and PRT543, highly selective, potent, orally bioavailable PRMT5 inhibitors; PRT1419, a potent, selective inhibitor of MCL1; and PRT2527, a potent and highly selective CDK9 inhibitor. Additionally, Prelude is progressing two novel preclinical candidates, PRT3645, a brain penetrant CDK4/6 inhibitor; and a potential first-in-class SMARCA2/BRM protein degrader.

Cautionary Note Regarding Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995, including, but not limited to, anticipated discovery, preclinical and clinical development activities, timing of availability and announcements of clinical results, the timing of the expansion portion for its Phase 1 clinical trial for PRT543, PRT811 and PRT1419, the timing of the escalation portion for its Phase 1 clinical trial for PRT2527, the timing of IND-related activities for PRT3645 and the SMARCA2/BRM protein degrader, the potential benefits of Prelude’s product candidates and platform, and the sufficiency of cash and cash equivalents to fund operating expenses and capital expenditures into the second half of 2024. All statements other than statements of historical fact are statements that could be deemed forward-looking statements. Although Prelude believes that the expectations reflected in such forward-looking statements are reasonable, Prelude cannot guarantee future events, results, actions, levels of activity, performance or achievements, and the timing and results of biotechnology development and potential regulatory approval is inherently uncertain. Forward-looking statements are subject to risks and uncertainties that may cause Prelude's actual activities or results to differ significantly from those expressed in any forward-looking statement, including risks and uncertainties related to Prelude's ability to advance its product candidates, the receipt and timing of potential regulatory designations, approvals and commercialization of product candidates, the impact of the COVID-19 pandemic on Prelude’s business, clinical trial sites, supply chain and manufacturing facilities, Prelude’s ability to maintain and recognize the benefits of certain designations received by product candidates, the timing and results of preclinical and clinical trials, Prelude’s ability to fund development activities and achieve development goals, Prelude’s ability to protect intellectual property, and other risks and uncertainties described under the heading "Risk Factors" in documents Prelude files from time to time with the Securities and Exchange Commission. These forward-looking statements speak only as of the date of this press release, and Prelude undertakes no obligation to revise or update any forward-looking statements to reflect events or circumstances after the date hereof.


PRELUDE THERAPEUTICS INCORPORATED

STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS
(UNAUDITED)

  Three Months Ended March 31, 
(in thousands, except share and per share data) 2022  2021 
Operating expenses:        
Research and development $22,821  $16,470 
General and administrative  7,467   5,497 
Total operating expenses  30,288   21,967 
Loss from operations  (30,288)  (21,967)
Other income, net  823   667 
Net loss $(29,465) $(21,300)
Per share information:        
Net loss per share of common stock, basic and diluted $(0.63) $(0.47)
Weighted average common shares outstanding, basic
and diluted
  47,066,427   45,121,955 
Comprehensive loss        
Net loss $(29,465) $(21,300)
Unrealized gain (loss) on marketable securities, net of tax  (1,602)   
Comprehensive loss $(31,067) $(21,300)


PRELUDE THERAPEUTICS INCORPORATED

BALANCE SHEETS
(UNAUDITED)

(in thousands, except share data) March 31,
2022
  December 31,
2021
 
Assets        
Current assets:        
Cash and cash equivalents $51,634  $31,828 
Marketable securities  214,555   259,405 
Prepaid expenses and other current assets  3,783   3,882 
Total current assets  269,972   295,115 
Restricted cash  4,044   4,044 
Property and equipment, net  4,122   3,929 
Right-of-use asset  2,224   1,707 
Other assets  309   303 
Total assets $280,671  $305,098 
Liabilities and stockholders’ equity        
Current liabilities:        
Accounts payable $7,390  $7,840 
Accrued expenses and other current liabilities  6,820   9,621 
Operating lease liability  1,859   1,740 
Total current liabilities  16,069   19,201 
Other liabilities  2,400    
Operating lease liability  390    
Total liabilities  18,859   19,201 
Commitments (Note 8)        
Stockholders’ equity:        
Voting common stock, $0.0001 par value: 487,149,741 shares authorized; 36,293,331 and 36,200,299 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively  4   4 
Non-voting common stock, $0.0001 par value; 12,850,259 shares authorized; 11,402,037 and 11,402,037 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively  1   1 
Additional paid-in capital  512,705   505,723 
Accumulated other comprehensive income (loss)  (2,313)  (711)
Accumulated deficit  (248,585)  (219,120)
Total stockholders’ equity  261,812   285,897 
Total liabilities and stockholders’ equity $280,671  $305,098 


Investor Contacts:
Lindsey Trickett
Vice President, Investor Relations
240.543.7970
ltrickett@preludetx.com

Media Contact:
Paige Donnelly
Argot Partners
212.600.1902
prelude@argotpartners.com