Exhibit 99.1 CollPlant Biotechnologies Provides Business Updates and Fiscal Year 2021 Financial Results ● Record revenues in 2021 of $15.6 million versus $6.1 million in 2020 ● Continued progress of strategic agreement with AbbVie to develop dermal and soft tissue filler products using CollPlant's rhCollagen ● Company to advance 3D bioprinted regenerative breast implant program with launch of large animal study expected in Q2 ● Strong balance sheet with $43.3 million cash position, as of December 31, 2021 R ...