Ribbon Communications Inc. — Director's Dealing 2021

Mar 18, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ribbon Communications Inc. (RBBN)
CIK: 0001708055
Period of Report: 2021-03-15

Reporting Person: LOPEZ MIGUEL A (EVP and CFO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-03-15	Restricted Stock Units (RSUs)	$	A	53764	Acquired		Common Stock (53764)	Direct
2021-03-15	Performance-Based Restricted Stock Units (PSUs)	$	A	53764	Acquired		Common Stock (53764)	Direct
2021-03-15	PSUs	$	A	32259	Acquired		Common Stock (32259)	Direct
2021-03-15	PSUs	$	A	21505	Acquired		Common Stock (21505)	Direct

Footnotes

F1: Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F2: The RSUs will vest as to one-third on March 15, 2022 and the remaining two-thirds of the RSUs will vest in four equal semi-annual installments thereafter through March 15, 2024.

F3: Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on achievement of a revenue goal set by the Compensation Committee of the Issuer's Board of Directors (the "Compensation Committee") for the fiscal year ending December 31, 2021. The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 3/15/2022.

F4: Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on goals set by the Compensation Committee on an annual basis for each of the three fiscal years prior to the vesting date. The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 3/15/2024.

F5: Each PSU represents a contingent right to receive one share of the Issuer's Common Stock, based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of a peer index of companies set by the Compensation Committee over the three fiscal years ending prior to the vesting date. The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on 3/15/2024.