Power of Attorney for Sanoke Viswanathan

Sanoke Viswanathan, Chief Executive Officer and Director of FactSet Research Systems Inc., has executed a Power of Attorney (POA) on September 6, 2025. The POA appoints Helen Shan, Christopher McLoughlin, Winnifred Lewis, Jill Chavarria, and Debra Quas as his attorneys-in-fact. These attorneys are authorized to execute and deliver filings on Form 3, Form 4, or Form 5 under Section 16 of the Securities Act of 1934, as amended. The POA ensures that the necessary filings related to Viswanathan's securities transactions are completed accurately and in a timely manner.