Exhibit 99.1 Contact: Investor Relations (408) 523-2161 INTUITIVE ANNOUNCES THIRD QUARTER EARNINGS Q3 Financial Summary Gross profit, income from operations, net income attributable to Intuitive Surgical, Inc., and net income per diluted share attributable to Intuitive Surgical, Inc. are reported on a GAAP and non-GAAP* basis. The non-GAAP* measures are described below and are reconciled to the corresponding GAAP measures at the end of this release. Third quarter 2025 revenue was $2.51 billion, an increase ...