The Kinder Morgan LBO: How Richard Kinder Took His Own Company Private for $22B and Made It the Largest PE-Backed IPO in US History

There are two ways a sitting CEO becomes a large equity holder in a take-private of the company they run. The common way is: the sponsor buys the company, hires the CEO on a new management-incentive package, and the CEO ends up with 3-8% of the pro forma equity through options and restricted stock. The uncommon way is: the CEO makes the phone call, proposes the deal to their own board, brings the sponsors in as coalition partners rather than principals, rolls their entire existing equity stake into the new company, and ends up as the largest individual holder pro forma.

The Kinder Morgan going-private transaction is the reference deal for the second template. In May 2006, Richard Kinder — chairman and CEO of Kinder Morgan Inc., the general partner of one of the largest midstream master limited partnerships in North America — walked into a board meeting and proposed to take the company he had built private at $100 per share. On August 28, 2006, after a special committee process and a market check, Kinder Morgan announced a definitive agreement at a raised price of $107.50 per share — a 27% premium over the $84.41 close on May 26, 2006, the last trading day before Kinder made his initial proposal. On May 30, 2007 the going-private transaction closed at an aggregate deal value of roughly $22 billion including assumed debt.

Kinder was joined by four financial sponsors — Goldman Sachs Capital Partners, AIG's Highstar Capital affiliate, The Carlyle Group, and Riverstone Holdings — who collectively wrote $5.0 billion of new equity. Kinder himself rolled all 24 million of his existing KMI shares into the new company and remained chairman and CEO. Approximately $2.9 billion of additional management-and-director rollover equity, $4.8 billion of new debt, $4.5 billion of assumed existing KMI debt, and $1.7 billion of KMI cash on hand completed the sources of funds.

Less than four years later, on February 10, 2011, Kinder Morgan priced its re-IPO at $30 per share — above the filed range of $26-29. It was, at that moment, the largest private-equity-backed IPO in US history and only the second PE-backed IPO ever to raise more than $2 billion. Gross proceeds of approximately $3.3 billion went entirely to selling stockholders — the four financial sponsors. No management sold. The company received nothing.

What Kinder actually bought

Kinder Morgan Inc. in 2006 was not a conventional operating company. It was the general partner of a midstream master limited partnership complex, and its economics were dominated by three flows:

1. The 2% general-partner interest in Kinder Morgan Energy Partners L.P. (KMP), the master limited partnership that owned the underlying operating pipeline and terminal assets.
2. Incentive distribution rights (IDRs), which paid a disproportionately large share of KMP's marginal cash distributions to the general partner as those distributions crossed pre-defined per-unit thresholds.
3. Limited-partner interests in KMP and a related entity, Kinder Morgan Management LLC (KMR), which owned an interest in KMP.

The going-private transaction acquired KMI — the general partner, holder of the IDRs, and largest limited-partner investor in KMP. It did not acquire KMP or KMR, which remained public MLPs traded on the NYSE. The distinction matters. What the sponsors bought was not a portfolio of pipeline assets; it was the top of an MLP cash-flow waterfall, structured so that KMI's economics grew disproportionately faster than KMP's absolute distribution growth.

This is a fundamentally different LBO asset than a peak-cycle mega-buyout of an operating company. A conventional LBO acquires a business's EBITDA and levers it. This deal acquired a specific slice of a public MLP's cash-distribution structure and levered that. The debt at KMI was serviced through KMP distributions and IDR incentive payments — not through consolidated operating EBITDA of the pipeline assets themselves.

The bid and the special-committee process

Richard Kinder's initial proposal to the KMI board in May 2006 was $100 per share. The board formed a special committee, ran a market check, and negotiated. The final agreement on August 28, 2006 raised the price to $107.50 per share — a 7.5% raise from the opening bid and a 27% premium over the $84.41 May 26, 2006 close.

The transaction was subject to significant shareholder litigation. In re Kinder Morgan, Inc. Shareholders Litigation alleged that the special committee had run an inadequate process and that Kinder had used non-public information about the company's cash-flow trajectory to time his bid. The litigation ultimately settled without materially altering the transaction terms. Shareholders approved the transaction on December 19, 2006, and the deal closed on May 30, 2007.

For an operator proposing to take their own company private, the process risk is not primarily whether the deal will get done. The process risk is that the proposal will be characterized ex post as an information-arbitrage transaction — the CEO knows something the market does not, and the special committee failed to price that in. Kinder Morgan's 27% premium was in the range of typical LBO premia (usually 20-40%), but for a deal proposed by the sitting CEO the premium needed to be defensible against a subsequent litigation record showing what the company knew about forward cash flows at the moment of the bid. The settlement of the shareholder litigation suggests the premium held up under that scrutiny.

The capital structure

Here is what the transaction looked like at close on May 30, 2007.

Three features of this capital structure separate it from a typical peak-cycle mega-LBO of the same 2006-2008 era.

First, the equity was heavily weighted toward rollover rather than new sponsor cash. Of the roughly $7.9 billion of total equity funding, $2.9 billion — about 37% — was management and director rollover. That is a materially higher rollover ratio than typical single-sponsor take-privates. Richard Kinder alone reinvested all 24 million of his existing KMI shares. When the CEO's personal stake is that large relative to any single financial sponsor's check, the incentives around the boardroom table are structurally different.

Second, the sponsor group was a coalition rather than a lead-and-followers structure. Four financial sponsors — Goldman Sachs Capital Partners, AIG's Highstar Capital affiliate, The Carlyle Group, and Riverstone Holdings — jointly funded the $5.0 billion new-equity check. Carlyle and Riverstone participated through their joint Carlyle/Riverstone Global Energy & Power Fund II, a dedicated energy-industry vehicle rather than either firm's flagship buyout fund. No single sponsor held a majority of the pro forma sponsor equity, and combined with the roughly $2.9 billion of management rollover, no single sponsor held a majority of the pro forma company equity.

Third, the debt was calibrated for MLP-distribution service, not for operating-EBITDA service. Debt at the KMI holdco level was ultimately serviced through KMP's quarterly distributions to the general partner plus the IDR incentive payments. This is a different capital-structure risk profile than a conventional LBO where senior secured debt is serviced through operating free cash flow of a consolidated business.

Why energy midstream was the right asset for this template

The 2006-2008 peak-cycle mega-LBO cohort included several deals that acquired commodity-price-exposed assets and structured them with LBO leverage. TXU / Energy Future Holdings, which closed in October 2007 at $45 billion, is the canonical failure — KKR, TPG and Goldman took private a power-generation utility whose economic viability depended on natural-gas prices remaining elevated. When gas prices collapsed in 2008-2012 the deal's operating cash flows collapsed with them, and the equity was ultimately wiped out in the 2014 Chapter 11.

Kinder Morgan was structurally different. Midstream pipelines and terminals are not commodity-price-exposed in the same way. Their revenue is a function of contracted transportation and terminaling tariffs on long-term take-or-pay-style agreements, and the cash flows are largely a function of throughput volumes rather than commodity prices. When natural gas prices collapsed in 2008-2009, KMP's distributable cash flow proved resilient — the same volumes moved through the same pipes regardless of the wellhead price of the gas. That resilience is precisely why an LBO structured on top of an MLP's distribution stream can survive a cycle that would kill a leveraged bet on the underlying commodity.

The comparison to TXU is not incidental. Both deals closed in the same twelve-month window. Both were among the largest LBOs ever attempted at the moment of announcement. Both involved marquee sponsor consortia. The difference in outcomes — Kinder Morgan re-IPO'd less than four years after close at above the filed range, TXU filed Chapter 11 with $40 billion of debt — is not primarily a story of operating execution or sponsor skill. It is a story of what business you bought. A leveraged bet on a contracted-volume midstream distribution stream is a fundamentally different asset than a leveraged bet on power-generation economics.

The 2011 IPO

Kinder Morgan re-listed on the NYSE under ticker KMI on February 11, 2011. Here are the terms.

Two things about this IPO merit specific attention.

First, pricing. The offering priced at $30 — above the filed $26-29 range. Underwriters typically raise the range or price above it only when book-building demand materially exceeds the initial expectation. That the offering also increased in size (from 80 million initially disclosed to 95.5 million actually offered, plus another 14.3 million on the over-allotment) is additional evidence of demand strength. Compare that to Aramark's December 2013 IPO, which priced below the filed range but nevertheless delivered a positive return to sponsors — pricing dynamics vary across sponsor exits, and a book that clears above range is a materially better underwriter outcome than one that clears below.

Second, the proceeds structure. All $3.3 billion of gross proceeds went to the four financial sponsors as selling stockholders. The company itself received nothing. And no members of management sold — Richard Kinder and his team held their entire pro forma positions through the IPO. That combination — sponsors sell, management holds — is the classic pattern for a sponsor sell-down through the equity capital markets, and it signals to the public market that management remains meaningfully aligned with the newly-public equity holders even as the sponsor coalition begins to liquidate.

The controlled sell-down through 2012 and beyond

The IPO was not the exit for the sponsors. It was the beginning of a multi-year controlled sell-down through underwritten secondary offerings, in which the sponsors incrementally reduced their positions while the free float grew.

During 2012, sponsor investors completed underwritten public offerings of an aggregate of approximately 199 million shares of KMI Class P common stock, including underwriter over-allotments. By the end of 2012, the sponsor investors advised by or affiliated with Goldman Sachs & Co., The Carlyle Group, and Riverstone Holdings LLC no longer held any Kinder Morgan shares, and their representatives had stepped down from the board. Highstar Capital retained a residual position that was liquidated through subsequent secondary offerings in 2013-2016.

This is a materially different exit template than a single-event sale to a strategic acquirer, a single-block secondary buyout, or even a traditional lockup-and-sell-in-one-block IPO. A controlled sell-down maximizes cumulative liquidity by staggering supply against public demand — the sponsors are selling into a market that has absorbed each prior tranche and has time to reprice between offerings — but it also spreads the sponsors' realized MOIC across multiple prices. Goldman, Carlyle, Riverstone and Highstar did not all realize the same exit multiple. Each was exposed to the specific timing of its own sell-downs against KMI's post-IPO share-price trajectory.

For a walk-through of how a staged secondary sell-down after IPO relates to fund-level MOIC vs IRR, the mechanics are worth working through carefully — the IRR of a sponsor who sold aggressively in the 2011 IPO and 2012 secondaries at $30-34 per share is not the IRR of a sponsor who held through 2015-2016 into a lower share-price environment.

What separates this from the peak-cycle mega-LBOs that failed

The 2006-2008 peak-cycle mega-LBO cohort produced disproportionately many failures and near-misses. TXU went to zero. Harrah's / Caesars went through Chapter 11 with an examiner reporting $3.6-5.1 billion of colorable claims against the sponsors. Freescale required a 2009 distressed debt exchange to avoid default. Clear Channel / iHeartMedia filed Chapter 11 with more than $20 billion of debt. Chrysler was wiped out in 21 months. First Data required a $3.5 billion emergency recap in 2014 and did not exit until the 2019 all-stock Fiserv merger.

Kinder Morgan is one of the definitional successes of the cohort. Three specific features explain the divergence.

Asset selection. A midstream MLP general-partner interest with IDRs on a contracted-volume pipeline network is a structurally different underwrite than a peak-multiple casino, a cyclical semiconductor P&L, or a leveraged advertising-driven radio broadcaster. The revenue base is contracted, the cash conversion is high, and the sensitivity to commodity prices is second-order rather than direct. Buying the right asset matters more than being clever about capital structure.

Governance. A management-led coalition with the sitting CEO writing a nine-figure personal equity check and four minority financial sponsors is not the standard single-sponsor take-private template. The operator retains effective control, the sponsors operate as coalition partners, and the interests of management and equity are structurally aligned in a way that a hired-CEO LBO cannot fully replicate. When adversity arrives — the 2008-2009 recession, natural-gas price volatility, the shareholder litigation — the coordination costs of the coalition are lower than the coordination costs of a sponsor-vs-management standoff.

Capital-structure calibration. Debt sized to be serviced through KMP distributions plus IDR incentive payments, with an equity cushion heavily weighted toward management and director rollover, is a materially less fragile structure than a conventional operating-company LBO at peak-cycle multiples. For readers who want to understand how to size and stress-test that kind of capital structure, the sources and uses framework applies directly, and our free debt capacity calculator lets you flex DSCR and interest coverage against a contracted-cash-flow base rather than against a cyclical EBITDA line.

What to take from this

Three lessons.

First, on management-led LBOs. When the sitting CEO both proposes the transaction and rolls their entire existing equity stake into the new company, the governance dynamics are structurally different from a sponsor-led take-private. Kinder Morgan is a proof point that this template can work at $22 billion of aggregate deal value with four financial sponsors participating as coalition partners rather than principals. The Aramark 2007 buyout is the other reference point for the same template in a different industry, and the two together suggest a real alternative to the standard sponsor-in-charge structure.

Second, on asset selection in leveraged transactions. The 2006-2008 peak-cycle mega-LBO cohort was mostly a story of sponsors paying peak multiples for cyclical or commodity-price-exposed businesses. The deals that worked disproportionately involved underlying businesses with structural cash-flow durability — long-term contracted revenue, high recurring-revenue mix, high cash conversion. Midstream pipeline economics is one of the cleanest examples of that pattern in the cohort, and the divergence between Kinder Morgan's exit trajectory and TXU's Chapter 11 illustrates how much the underlying business matters relative to sponsor identity or deal-structure cleverness.

Third, on exit templates. A controlled sell-down through an IPO plus a series of underwritten secondaries is a materially different exit template than a single-event sale to a strategic acquirer or a leveraged secondary buyout. It maximizes cumulative liquidity but spreads realized MOIC across multiple price points, and each sponsor's ultimate return depends on the timing of their specific sell-downs. For sponsor consortia liquidating a large position, this is often the highest-value template even though it lacks the finality of a single-block exit — and the Kinder Morgan playbook (largest PE-backed IPO in US history at the moment of pricing, followed by staged secondaries) is one of the most instructive worked examples.

Model this yourself

If you want to build a fully-populated LBO model that captures the specific mechanics of this deal — a management-led coalition with multi-sponsor sources and uses, a rollover equity block for a large individual stakeholder, MLP general-partner cash flow with IDR waterfall economics, debt serviced through pass-through distributions rather than operating EBITDA, and a phased post-IPO sell-down that separates paper MOIC at IPO from realized MOIC to LPs — the All-in-One PE Model is designed for exactly that. The 26 sheets include a sources-and-uses page that handles multi-sponsor equity plus large management rollovers, a debt-tranche schedule for holdco-level debt serviced through pass-through distributions, an IDR waterfall block for MLP-style incentive economics, and a fully sensitized exit page that separates IPO paper returns from realized returns across staggered secondary offerings. See the sheet preview to verify the structure before buying.

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Sources:

1. Kinder Morgan, Inc. — Press Release: Kinder Morgan, Inc. Enters Into Agreement to Sell to Investor Group for $107.50 Per Share (August 28, 2006), SEC EDGAR
2. Kinder Morgan, Inc. — Press Release: Kinder Morgan Stockholders Approve Going-Private Transaction (December 19, 2006), SEC EDGAR
3. Kinder Morgan, Inc. — Schedule 13E-3/A (Going-Private Transaction Statement, September 2006), SEC EDGAR
4. Kinder Morgan Holdco LLC — Form S-1 (FY2010 IPO Registration Statement, November 30, 2010), SEC EDGAR
5. Kinder Morgan, Inc. — Form 424B1 (Final IPO Prospectus, February 11, 2011), SEC EDGAR
6. Kinder Morgan, Inc. — Form 10-K FY2010, SEC EDGAR
7. Kinder Morgan, Inc. — Form 424B3 (Secondary Offering Prospectus, May 2012), SEC EDGAR
8. Kinder Morgan, Inc. — Form 8-K (Secondary Offering Disclosure, October 2012), SEC EDGAR
9. The Carlyle Group — Press Release: Kinder Morgan, Inc. Enters Into Agreement (August 28, 2006), Carlyle
10. In re Kinder Morgan, Inc. Shareholders Litigation — Settlement Documentation, Robbins Geller Rudman & Dowd LLP
11. Deseret News — Kinder Morgan agrees to buyout (August 29, 2006), Deseret News
12. NBC News — Kinder Morgan agrees to $15 billion buyout (initial bid, 2006), NBC News
13. Natural Gas Intelligence — Kinder Morgan $15B Privatization Closes (May 30, 2007), Natural Gas Intelligence
14. Business Wire — Kinder Morgan, Inc. Prices Initial Public Offering (February 10, 2011), Business Wire
15. Forbes (Steve Schaefer) — Private Equity Goes Public Again With Kinder Morgan (February 11, 2011), Forbes
16. Fortune — Kinder Morgan is a huge IPO in more ways than one (February 11, 2011), Fortune
17. Seeking Alpha — Kinder Morgan: Biggest Energy IPO in 13 Years (February 2011), Seeking Alpha
18. Private Equity International — Kinder Morgan commences $2.3bn IPO, Private Equity International
19. Kinder Morgan Investor Relations — Corporate History, Kinder Morgan