ONESUBSEA SAVINGS AND RETIREMENT PLAN Contribution & Employer Match

ONESUBSEA SAVINGS AND RETIREMENT PLAN Average Participant Retirement Account Value

ONESUBSEA SAVINGS AND RETIREMENT PLAN Estimated Average Employee Contribution Amount

• Employees are eligible to make pre-tax and/or Roth after-tax contributions and receive Company basic matching contributions at their Entry Date.
• Employees are also eligible to elect to convert pre-tax and/or Roth contributions to after-tax spillover contributions once their total 401(k) contributions to the Plan equal the Internal Revenue Service (IRS) maximum annual employee contribution limit beginning on the first day of the month coinciding with or next following their date of hire.
• Additionally, employees are eligible to irrevocably elect to roll over vested amounts credited to any of their accounts under the Plan (other than their Roth contribution account, after-tax savings account, and after-tax contributions account) to their in-Plan Roth rollover account.
• Employees aged 50 and older may elect to contribute a catch-up contribution subject to the limit set by the IRS for catch-up contributions as discussed above.
• Newly eligible employees who do not make an election within 45 days will be automatically enrolled in pre-tax contributions at a 6% contribution rate.
• The contribution rate of all enrolled employees will automatically increase by 1% each year on the anniversary of automatic enrollment in the Plan until contributions reach 15%; unless the participant opts out of such automatic contributions and/or increases.
• Employees who elect not to make 401(k) contributions automatically become members of the Plan on the first day of the month coincident with, or following completion of, one year of service, as defined.
• Participants may also contribute amounts representing distributions (rollovers) from other qualified plans.

• For employees participating in the Plan, the Company provides for basic matching contributions equal to 100% of the first 6% of employee pre-tax contributions.
• The Company also may make an enhanced matching of 50% on the next 4% of the employee pre-tax contribution.

• Vesting schedule: After 2 years of active service: 33⅓% After 3 years of active service: 66⅔% After 4 years of active service: 100% Vesting in employer contributions is 100% at the attainment of age 60.
• Furthermore, upon termination of active service after having completed at least three years of active service, regardless of age, participant will have a nonforfeitable right to receive the entire amount of retirement contributions credited to their employer contribution account.