Investor Presentaiton

COMPREHENSIVE BREAST PRODUCT PORTFOLIO Tissue Expanders AlloX2Ⓡ Only expander with patented direct access to the periprosthetic space¹ TM Dermaspan ™ Designed for comfort and expansion Gel Implants • Engineered with a strong but soft design to resist rupture and gel fracture² . First and only complete 5th generation cohesive gel breast implants • >250 round and >90 teardrop shaped implant options Robust 10-year clinical results³ • Leading 20-year warranty program round teardrop shape gel implants Scar Treatment FDA-cleared patented crosslinked silicone technology4 BOCORNELM BIOCORNEUMⓇ sientra. gel implants 1 U.S. Patent No. 8,454,890. 2 Kinney BM, Jeffers LLC, Ratliff GE, Carlisle DA. Silicone gel breast implants: science and testing. Plast Reconstr Surg. 2014;134(1S):47S-56S. 3 Calobrace MB, Schwartz MR, Zeidler KR, Pittman TA, Cohen R, Stevens WG. Long-term safety of textured and smooth breast implants. Aesth Surg. 2017;1-11.(4S):7S-19S. 4 U.S. Patent Nos. 5,741,509; 8,021,683; # 8,802,133; 9,336,546; 9,795,706 6

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