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Zacks Company Profile for Aldeyra Therapeutics, Inc. (ALDX : NSDQ)

• Company Description    Aldeyra Therapeutics, Inc. is a biotechnology company. The company's products target immune-mediated, inflammatory, orphan, and other diseases. It is developing NS2, a compound that binds and traps free aldehydes. Aldeyra Therapeutics, Inc. is based in Burlington, Massachusetts. Number of Employees: 9

• Price / Volume Information    Yesterday's Closing Price: $5.18 Daily Weekly Monthly 20 Day Moving Average: 1,409,596 shares Shares Outstanding: 60.16 (millions) Market Capitalization: $311.64 (millions) Beta: 0.86 52 Week High: $7.20 52 Week Low: $1.14 Short Interest Ratio:   % Price Change % Price Change Relative to S&P 500 4 Week 6.15% 6.33% 12 Week -8.64% -10.11% Year To Date 0.00% 0.00%

• Address & Contact Information Street Address Phone / Fax Email Address Web URL 131 HARTWELL AVENUE SUITE 320 - LEXINGTON,MA 02421 USA ph: 781-761-4904 fax: 781-270-0630 investorrelations@aldeyra.com http://www.aldeyra.com

• General Corporate Information    Officers Todd C. Brady - President; Chief Executive Officer and Director Richard H. Douglas - Chairman Ben Bronstein - Director Martin J. Joyce - Director Nancy Miller-Rich - Director Peer Information - (-) - (-) - (-) - (-) - (-) - (-) Industry / Sector / Ticker Info Analyst Coverage: No Industry Group: MED-DRUGS Sector: Medical CUSIP: 01438T106 SIC: 2834 Fiscal Year Fiscal Year End: December Last Reported Quarter: 09/01/25 Next Expected EPS Date: 02/27/26 Share - Related Items Shares Outstanding: 60.16 Most Recent Split Date: (:1) Beta: 0.86 Market Capitalization: $311.64 (millions)

• EPS Information     • Dividend Information Analyst Coverage: No Dividend Yield: 0.00% Current Fiscal Quarter EPS Consensus Estimate: $-0.15 Indicated Annual Dividend: $0.00 Current Fiscal Year EPS Consensus Estimate: $-0.35 Payout Ratio: Number of Estimates in the Fiscal Year Consensus: 1.00 Change In Payout Ratio: Estmated Long-Term EPS Growth Rate: % Last Dividend Paid: NA - $0.00 Next EPS Report Date: 02/27/26

• Fundamental Ratios P/E Current FY Estimate: - Trailing 12 Months: - PEG Ratio: - Price Ratios Price/Book: 6.30 Price/Cash Flow: - Price / Sales: - EPS Growth vs. Year Ago Period: 48.00% vs. Previous Quarter: 18.75% Sales Growth vs. Year Ago Period: -% vs. Previous Quarter: -% ROE 12/31/25 - - 09/30/25 - -72.25 06/30/25 - -73.63 ROA 12/31/25 - - 09/30/25 - -47.92 06/30/25 - -50.61 Current Ratio 12/31/25 - - 09/30/25 - 2.72 06/30/25 - 2.86 Quick Ratio 12/31/25 - - 09/30/25 - 2.72 06/30/25 - 2.86 Operating Margin 12/31/25 - - 09/30/25 - - 06/30/25 - - Net Margin 12/31/25 - - 09/30/25 - - 06/30/25 - - Pre-Tax Margin 12/31/25 - - 09/30/25 - - 06/30/25 - - Book Value 12/31/25 - - 09/30/25 - 0.82 06/30/25 - 0.92 Inventory Turnover 12/31/25 - - 09/30/25 - - 06/30/25 - - Debt-to-Equity 12/31/25 - - 09/30/25 - 0.00 06/30/25 - 0.00 Debt-to-Capital 12/31/25 - - 09/30/25 - 0.00 06/30/25 - 0.00

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