Boston Scientific Corp. has continued to underperform as key growth drivers, including its WATCHMAN and electrophysiology (EP) franchises, face market and competitive headwinds. S&P Global Ratings anticipates the company will sustain this underperformance into 2027 as it seeks to stabilize market share and restore growth. We project revenue growth of 4.4% for 2026 and 9% for 2027, well below the mid- to high-teens percentages achieved in 2024-2025. The prolonged slowdown in revenue growth means S&P Global Ratings-adjusted leverage will likely remain elevated above our downside trigger of 2.5x for an extended period following the planned $14.5 billion acquisition of Penumbra Inc., expected to close in early 2027. Therefore, we affirmed our ‘A-’ issuer credit rating on Boston Scientific and ‘A-’