Adjusted EBITDA Bridge: Add-Backs, Support and Common Challenges

Adjusted EBITDA is the number most sale processes, loan covenants and board decks use for profit, and it is not defined by GAAP. That is why the bridge from net income to adjusted EBITDA gets challenged line by line. A bridge that reconciles to audited net income and supports each adjustment survives scrutiny. One built on a spreadsheet with unsupported add-backs does not.

This guide covers how to structure the bridge, which adjustments are common and which draw challenges, what the SEC limits for registrants, and how a CPA firm can support or test the figures. It is not valuation advice; for the broader diligence report see the quality of earnings guide.

What is EBITDA, and what is adjusted EBITDA?

EBITDA is earnings before interest, taxes, depreciation and amortization. It starts from net income and adds back interest expense, income tax expense, depreciation and amortization. Adjusted EBITDA goes further, adding or deducting items the preparer treats as unusual, non-cash, non-operating or not representative of ongoing performance.

Neither is a GAAP measure. For SEC registrants, non-GAAP financial measures included in filings must be presented with the most directly comparable GAAP measure with equal or greater prominence, and with a quantitative reconciliation, a statement of why management believes the measure is useful, and, where material, other uses. These are the requirements of Regulation S-K Item 10(e), 17 CFR 229.10(e)(1)(i). Public disclosures outside filings, such as earnings releases, are covered by Regulation G, 17 CFR 244.100, which also requires the GAAP measure and a reconciliation. Private companies are not bound by these rules, but the rules are a useful guide to what a reader will expect.

Structure of the bridge

A well-organized bridge has four blocks:

1. Reported net income agreed to the financial statements. Audited or reviewed numbers are the starting point.
2. EBITDA adjustments: interest, income taxes, depreciation and amortization, each agreed to the statements and notes.
3. Management adjustments: normalization and non-recurring items the company proposes.
4. Diligence adjustments: corrections and reclassifications proposed by a buyer, lender or the reviewer, such as accounting errors, cutoff and reserves.

The two final blocks should be kept separate so the reader can see which adjustments management claims and which the diligence found.

Common adjustments and the support each needs

Each adjustment should have a schedule that agrees the amount to the general ledger and points to the support. An adjustment with no support is a claim, not an adjustment.

Why add-backs get challenged

• Recurrence. A "one-time" legal cost that appears every year is a normal expense. For registrants, the SEC rule prohibits adjusting a non-GAAP performance measure to eliminate or smooth items identified as non-recurring, infrequent or unusual when the nature of the charge or gain is such that it is reasonably likely to recur within two years or there was a similar charge or gain within the prior two years (17 CFR 229.10(e)(1)(ii)(B)). Readers apply the same test informally.
• Double counting. A restructuring charge added back that also reduces depreciation already added back.
• One-sided adjustments. Adding back costs but not removing unusually favorable items such as a gain or a customer's one-time purchase.
• Run-rate and synergy adjustments that depend on actions not yet taken.
• Definition mismatch. Credit agreements define EBITDA in their own terms, including caps on add-backs, so the covenant calculation may not equal the management figure.

What a CPA firm can do with the figures

• Prepare the bridge as an advisory deliverable from the accounting records, with a clear statement that it is not an audited measure. For an attest client this is a nonattest service, so evaluate independence first.
• Perform agreed-upon procedures under AT-C 215 on the schedule, for example agreeing each component to the ledger and support. See the AUP guide.
• Consider it as other information. If adjusted EBITDA appears in a document containing audited financial statements, the auditor reads it under AU-C 720 and considers whether it is materially inconsistent with the financial statements. See other information.
• Support covenant calculations by recomputing EBITDA using the credit agreement's definition and linking the figure to the debt and coverage ratios calculator.

Worked example (illustrative numbers)

Check: 1,180,000 + 240,000 + 310,000 + 410,000 = 2,140,000. Management adjustments are 150,000 + 85,000 + 60,000 − 48,000 = 247,000, giving 2,387,000. Diligence adjustments are 120,000 + 75,000 + 40,000 = 235,000, giving 2,152,000.

At an illustrative 6.0 times multiple, the enterprise value implied by management's figure is 2,387,000 × 6 = 14,322,000 and by the diligence figure is 2,152,000 × 6 = 12,912,000. The difference of 1,410,000 equals the 235,000 of diligence adjustments times 6. That is why buyers push on cutoff and accrual items: each dollar of EBITDA is worth the multiple.

Building the bridge in a spreadsheet

1. Import the trial balance and map accounts to income statement lines.
2. Compute EBITDA from mapped accounts with a check against reported net income.
3. List each adjustment on its own row with an ID, description, amount, direction, support reference and a classification of management or diligence.
4. Add a column that tags the adjustment as recurring or non-recurring with a reason.
5. Sum by category to the final figures and add a check that each adjustment agrees to the ledger detail.
6. Keep the credit agreement definition on a separate tab and reconcile the two.

Frequently asked questions

Is EBITDA a GAAP measure?

No. It is a non-GAAP measure, and there is no single definition. For SEC registrants, filings must reconcile it to the most comparable GAAP measure.

What are the most common EBITDA add-backs?

Owner compensation above market, one-time legal and restructuring costs, non-cash stock compensation, impairments, transaction costs and related-party normalization.

Does an audit cover adjusted EBITDA?

No. An audit covers the financial statements. If adjusted EBITDA appears in a document with the audited statements, the auditor considers it as other information under AU-C 720.

Why does the credit agreement EBITDA differ from management's?

Credit agreements define EBITDA with their own permitted add-backs and caps. Covenant tests use that definition.

Sources

• SEC, 17 CFR 229.10(e), Use of non-GAAP financial measures in Commission filings: https://www.ecfr.gov/current/title-17/section-229.10
• SEC, 17 CFR 244.100, General rules regarding disclosure of non-GAAP financial measures (Regulation G): https://www.ecfr.gov/current/title-17/section-244.100
• AICPA, AU-C Section 720, Other Information in Documents Containing Audited Financial Statements
• AICPA, AT-C Section 215, Agreed-Upon Procedures Engagements

CORAA prepares ready-to-review audit files for US CPA firms from QuickBooks books; you review and sign. See /us.

AU-C references are to AICPA Professional Standards, paraphrased here; read the standard itself before relying on a requirement. This page is guidance, not professional advice. Report an error