LGL GROUP INC

For the period ended Jun 30, 2026. Filed Aug 14, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 14, 2026

LGL$6.63+1.2%Stored close · as of Nov 6, 2026

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Fair Value Measurements

5. Fair Value Measurements

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value guidance identifiesthree primary valuation techniques: the market approach, the income approach and the cost approach. The market approach uses prices and other relevant information generated by market transactions involving identical or comparable assets or liabilities. The income approach uses valuation techniques to convert future amounts, such as cash flows or earnings, to a single present amount. The measurement is based on the value indicated by current market expectations about those future amounts. The cost approach is based on the amount that currently would be required to replace the service capacity of an asset.

Fair Value Hierarchy

The fair value hierarchy prioritizes the inputs to valuation techniques used to measure fair value intothree broad levels. The fair value hierarchy gives the highest priority to observable inputs such as quoted prices in active markets for identical assets or liabilities (Level1) and the lowest priority to unobservable inputs (Level3). The maximization of observable inputs and the minimization of the use of unobservable inputs are required.

Classification within the fair value hierarchy is based upon the objectivity of the inputs that are significant to the valuation of an asset or liability as of the measurement date. Thethree levels within the fair value hierarchy are characterized as follows:

Level1** - Quoted prices (unadjusted) in active markets for identical assets or liabilities that the Company has the ability to access at the measurement date.

Level2** - Inputs other than quoted prices included within Level1 that are observable for the asset or liability, either directly or indirectly. Level2 inputs include: quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in markets that arenot active; inputs other than quoted prices that are observable for the asset or liability; and inputs that are derived principally from or corroborated by observable market data by correlation or other means.

Level3** - Unobservable inputs for the asset or liability for which there is little, if any, market activity for the asset or liability at the measurement date. Unobservable inputs reflect the Company's own assumptions about what market participants would use to price the asset or liability. These inputs* may*include internally developed pricing models, discounted cash flow methodologies as well as instruments for which the fair value determination requires significant management judgment.

The following is a description of the valuation methodologies used for instruments carried at fair value. These methodologies are applied to asset and liabilities across the levels discussed above, and the observability of the inputs used determines the appropriate level in the fair value hierarchy for the respective asset or liability.

Valuation Methodologies of Financial Instruments Measured at Fair Value

Cash and cash equivalents and Restricted cash and cash equivalents - Money market instruments are measured at cost, which approximates fair values because of the relatively short time to maturity.

Equity securities - Whenever available, we obtained quoted prices in active markets for identical assets as of the balance sheet date to measure equity securities. Market price data is generally obtained from exchange or dealer markets.

Convertible promissory note - We initially estimate the fair value by reference to the transaction price. Subsequently, we estimate the fair value using discounted cash flow analyses and/or probability-weighted scenario analysis, with significant unobservable inputs including the probability and expected timing of a qualified financing, acquisition or other liquidity event, the expected enterprise value at conversion, and a discount rate reflecting the time value of money and risk characteristics of the investment.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table presents information about assets measured at fair value on a recurring basis and indicates the level of the fair value measurement based on the observability of inputs used:

	Level 1	Level 2	Level 3	Total
Cash and cash equivalents (a) (b)	$44,895	$—	$—	$44,895
Restricted cash and cash equivalents (a) (c)	300	—	—	300
Marketable securities:
Equity securities	41	—	—	41
Total marketable securities	41	—	—	41
Convertible promissory note	—	—	1,968	1,968
Total	$45,236	$—	$1,968	$47,204

	Level 1	Level 2	Level 3	Total
Cash and cash equivalents (a) (b)	$41,317	$—	$—	$41,317
Restricted cash and cash equivalents (a) (c)	—	—	—	—
Marketable securities:
Equity securities	36	—	—	36
Total marketable securities	36	—	—	36
Convertible promissory note	—	—	—	—
Total	$41,353	$—	$—	$41,353

(a)	As of June 30, 2026 and December 31, 2025, included investments in money market mutual funds managed or advised by GAMCO Investors, Inc.

(b)	Excludes cash held in banks, which totaled $220 and $197 as of June 30, 2026 and December 31, 2025, respectively.

(c)	Excludes cash held in banks, which totaled $20 and $0 as of June 30, 2026 and December 31, 2025, respectively.

There wereno liabilities subject to fair value on a recurring basis as of* June 30, 2026* and* December 31, 2025*.

Changes in Level3 Recurring Fair Value Measurements**

The following tables present changes during thethree andsix months ended* June 30, 2026and2025* in Level3 assets and liabilities measured at fair value on a recurring basis, and the realized and unrealized gains (losses) related to the Level3 assets in the Condensed Consolidated Balance Sheets as of* June 30, 2026and2025*:

	Fair Value Beginning of Period	Net Realized and Unrealized Gains (Losses) Included in Income	Purchases and Sales, Net	Fair Value End of Period
Assets:
Convertible promissory note	$—	$—	$1,968	$1,968
Total	$—	$—	$1,968	$1,968

	Fair Value Beginning of Period	Net Realized and Unrealized Gains (Losses) Included in Income	Purchases and Sales, Net	Fair Value End of Period
Assets:
Convertible promissory note	$—	$—	$—	$—
Total	$—	$—	$—	$—

	Fair Value Beginning of Year	Net Realized and Unrealized Gains (Losses) Included in Income	Purchases and Sales, Net	Fair Value End of Period
Assets:
Convertible promissory note	$—	$—	$1,968	$1,968
Total	$—	$—	$1,968	$1,968

	Fair Value Beginning of Year	Net Realized and Unrealized Gains (Losses) Included in Income	Purchases and Sales, Net	Fair Value End of Period
Assets:
Convertible promissory note	$—	$—	$—	$—
Total	$—	$—	$—	$—

The following tables present the gross components of purchases and sales, net shown above for thethree andsix months ended* June 30, 2026and2025* related to Level3 assets and liabilities in the Condensed Consolidated Balance Sheets:

	Purchases	Sales	Purchases and Sales, Net
Assets:
Convertible promissory note	$1,968	$—	$1,968
Total	$1,968	$—	$1,968

	Purchases	Sales	Purchases and Sales, Net
Assets:
Convertible promissory note	$—	$—	$—
Total	$—	$—	$—

	Purchases	Sales	Purchases and Sales, Net
Assets:
Convertible promissory note	$1,968	$—	$1,968
Total	$1,968	$—	$1,968

	Purchases	Sales	Purchases and Sales, Net
Assets:
Convertible promissory note	$—	$—	$—
Total	$—	$—	$—

Quantitative Information about Level3 Fair Value Measurements**

As of* June 30, 2026,the fair value of the convertible promissory note was determined to equal the transaction price of $1,968. Management determined thatno* significant change in the fair value has occurred between the Note's funding date and the measurement date, based on the following considerations:

•	approximately 14 days elapsed between the funding date and June 30, 2026, the measurement date

•	no new financing activity occurred at Skyline during this period;

•	no material developments in Skyline's technology, operations, or business prospects occurred during this period; and

•	no secondary market transactions in the Note or comparable instruments occurred during this period.

Fair Value Measurements on a Non-Recurring Basis

The Company has other assets that* maybe subject to measurement at fair value on a non-recurring basis including intangible assets and other long-lived assets. The Company reviews the carrying value of long-lived assets whenever events and circumstances indicate that the carrying amounts of the assets may**not* be recoverable. If it is determined that the assets are impaired, the carrying value would be reduced to an estimated recoverable value.

As of* June 30, 2026* and* December 31, 2025*, the Company didnot write down any assets to fair value.

Fair Value Information about Financial InstrumentsNot Measured at Fair Value**

As of* June 30, 2026* and* December 31, 2025*, the Company didnot have any assets or liabilities classified as financial instruments that werenot measured at fair value.

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