exhibit 4. 1 execution version dated july 31, 2019 exhibit 4. 1 execution version dated july 31, 2019 convertible bonds subscription agreement between inovio pharmaceuticals, inc. - company - and kip re - up fund kip ace fund ( 17 ) kip beyond fund ( 17 ) kip core fund ( 17 ) kip dream fund ( 17 ) kip essence fund ( 17 ) kip future fund ( 17 ) kip growth fund ( 17 ) kip high fund ( 17 ) kip impact fund ( 17 ) kip joint fund ( 17 ) kip key fund ( 17 ) samsung securities co., ltd. shinhan investment corp.