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Zacks Company Profile for aTyr Pharma, Inc. (ATYR : NSDQ)

• Company Description    aTyr Pharma, Inc. is a bio-therapeutics company. The Company is involved in the discovery and development of medicines for severe, rare diseases of physiological modulators. aTyr Pharma, Inc. is a based in SAN DIEGO, United States. Number of Employees: 59

• Price / Volume Information    Yesterday's Closing Price: $0.82 Daily Weekly Monthly 20 Day Moving Average: 5,164,718 shares Shares Outstanding: 97.99 (millions) Market Capitalization: $80.04 (millions) Beta: 0.81 52 Week High: $7.29 52 Week Low: $0.68 Short Interest Ratio:   % Price Change % Price Change Relative to S&P 500 4 Week -22.93% -24.95% 12 Week -83.33% -84.02% Year To Date -77.43% -80.28%

• Address & Contact Information Street Address Phone / Fax Email Address Web URL 10240 Sorrento Valley Road Suite 300 - SAN DIEGO,CA 92121 USA ph: 858-731-8389 fax: 858-731-8394 investorrelations@atyrpharma.com http://www.atyrpharma.com

• General Corporate Information    Officers Sanjay S. Shukla - President; Chief Executive Officer and Director Timothy P. Coughlin - Chairman of the Board Jill M. Broadfoot - Chief Financial Officer Eric Benevich - Director John K. Clarke - Director Peer Information aTyr Pharma, Inc. (CORR.) aTyr Pharma, Inc. (RSPI) aTyr Pharma, Inc. (CGXP) aTyr Pharma, Inc. (BGEN) aTyr Pharma, Inc. (GTBP) aTyr Pharma, Inc. (RGRX) Industry / Sector / Ticker Info Analyst Coverage: No Industry Group: MED-BIOMED/GENE Sector: Medical CUSIP: 002120202 SIC: 2836 Fiscal Year Fiscal Year End: December Last Reported Quarter: 09/01/25 Next Expected EPS Date: 03/12/26 Share - Related Items Shares Outstanding: 97.99 Most Recent Split Date: 7.00 (0.07:1) Beta: 0.81 Market Capitalization: $80.04 (millions)

• EPS Information     • Dividend Information Analyst Coverage: No Dividend Yield: 0.00% Current Fiscal Quarter EPS Consensus Estimate: $-0.18 Indicated Annual Dividend: $0.00 Current Fiscal Year EPS Consensus Estimate: $-0.73 Payout Ratio: Number of Estimates in the Fiscal Year Consensus: 4.00 Change In Payout Ratio: Estmated Long-Term EPS Growth Rate: % Last Dividend Paid: NA - $0.00 Next EPS Report Date: 03/12/26

• Fundamental Ratios P/E Current FY Estimate: - Trailing 12 Months: - PEG Ratio: - Price Ratios Price/Book: 1.00 Price/Cash Flow: - Price / Sales: - EPS Growth vs. Year Ago Period: -13.04% vs. Previous Quarter: -18.18% Sales Growth vs. Year Ago Period: -% vs. Previous Quarter: -% ROE 09/30/25 - -100.36 06/30/25 - -93.69 03/31/25 - -87.09 ROA 09/30/25 - -74.70 06/30/25 - -68.83 03/31/25 - -64.77 Current Ratio 09/30/25 - 5.93 06/30/25 - 5.63 03/31/25 - 7.79 Quick Ratio 09/30/25 - 5.93 06/30/25 - 5.63 03/31/25 - 7.79 Operating Margin 09/30/25 - - 06/30/25 - - 03/31/25 - - Net Margin 09/30/25 - - 06/30/25 - - 03/31/25 - - Pre-Tax Margin 09/30/25 - -39,540.53 06/30/25 - - 03/31/25 - - Book Value 09/30/25 - 0.82 06/30/25 - 0.84 03/31/25 - 0.84 Inventory Turnover 09/30/25 - - 06/30/25 - - 03/31/25 - - Debt-to-Equity 09/30/25 - 0.00 06/30/25 - 0.01 03/31/25 - 0.01 Debt-to-Capital 09/30/25 - 0.49 06/30/25 - 0.80 03/31/25 - 0.99

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