Schedule of Assets

12 Months Ended

Dec. 31, 2025

Mayville Engineering Company, Inc. 401(k) Plan

Schedule of Assets

Schedule of Assets

Schedule H, Line 4i – Schedule of Assets (Held at End of Year)

December 31, 2025

(in thousands)

Plan Sponsor: Mayville Engineering Company, Inc.

Plan Sponsor EIN: 39-0944729

Plan Number: 003


		(b)		(c)		(d)			(e)
		Identity of Issue, Borrow,		Description of Investment Including Maturity Date, Rate
(a)		Lessor, or Similar Party		of Interest, Collateral, Par, or Maturity Value		Cost			Current Value
		Mutual Funds
		T. Rowe Price		Retirement 2035			**		$	15,245
		Fidelity		500 Index			**			14,398
		T. Rowe Price		Retirement 2030			**			14,271
		T. Rowe Price		Retirement 2040			**			12,407
		Janus Henderson		Forty N			**			10,840
		T. Rowe Price		Retirement 2050			**			8,596
		T. Rowe Price		Retirement 2045			**			8,114
		T. Rowe Price		Retirement 2025			**			7,774
		T. Rowe Price		Retirement 2055			**			5,760
*		Principal Global Investors		Government Money Market R6 Fund			**			5,465
		Janus Henderson		Research N			**			5,340
		T. Rowe Price		Retirement 2060			**			4,556
		Fidelity		Advisor Stock Selector Mid Cap			**			3,265
		MFS		Value R3			**			2,901
		Nuveen		Small Cap Select			**			2,797
		Capital Research and Mgmt. Co.		American Funds Capital World Growth and Income R6			**			2,729
		Capital Research and Mgmt. Co.		American Funds EuroPacific Growth R6			**			2,607
		T. Rowe Price		Retirement 2065			**			2,387
		T. Rowe Price		Retirement 2020			**			2,314
		T. Rowe Price		Retirement Balanced			**			2,053
		PIMCO		Total Return Institutional			**			1,992
		J.P. Morgan		Mid Cap Value R6 Fund			**			1,681
		Nuveen		Mid Cap Growth Opportunities			**			1,090
		Vanguard Group		Inflation-Protected Securities Admiral			**			628
		T. Rowe Price		Retirement 2010			**			270
		Nuveen		Real Estate Securities			**			245
		T. Rowe Price		Retirement 2015			**			167
		T. Rowe Price		Retirement 2070			**			11
		Total Mutual Funds							$	139,903
		Corporate Common Stock
*		MEC		Common stock, no par value			**			44,339
		Total							$	184,242

* Represents a party-in-interest to the Plan.

** Information not required for participant directed investments

See report of independent registered public accounting firm