Kenya’s Central Bank Launches KSh 15 Billion Bond Switch to Tame 2026 Debt Maturities and Extend Its Borrowing Horizon

The Central Bank of Kenya has opened a KSh 15 billion bond switch auction, inviting holders of a maturing five-year Treasury bond to voluntarily roll their positions into a longer-dated 15-year instrument — a move that is as much about managing Kenya’s looming debt refinancing wall as it is about offering retail and institutional investors a sweeter deal.

The offer, which opened on February 26, 2026 and closes on March 16, 2026, targets bondholders in the FXD1/2021/005 issue — a five-year paper that matures on November 9, 2026 and carries a coupon of 11.277% and a withholding tax rate of 15%. The destination bond, FXD3/2019/015, is the same 15-year instrument that has already attracted considerable investor interest this year, carrying a higher coupon of 12.34%, a reduced withholding tax of 10%, and approximately 8.3 years remaining to maturity. Settlement is set for March 18, 2026 — two days after the bid deadline.

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What Is a Bond Switch and Why Does It Matter?

A bond switch auction is a liability management tool used by sovereign borrowers to exchange outstanding bonds nearing maturity for longer-dated securities, avoiding the need to refinance the full amount in the open market. Rather than waiting for the November 2026 maturity date and scrambling to source fresh cash to repay bondholders, the government is effectively inviting those same investors to stay invested — but under a new, more extended arrangement.

For the CBK, the arithmetic is straightforward: every shilling that switches from the short-dated bond into the 15-year instrument is one less shilling that needs to be raised afresh in a future auction. The November 2026 maturity represents a concrete near-term cash obligation, and by encouraging investors to roll forward to 2034, the Central Bank reduces the lump sum it must repay in the coming months. This smooths the government’s redemption profile, lowers short-term funding stress, and improves liquidity management — all critical priorities as Kenya navigates a fiscal environment shaped by elevated debt service costs and the absence of a live IMF programme.

The switch employs a multi-price auction mechanism, meaning successful bidders receive allocations at yields corresponding to the levels they submitted in their bids. This pricing approach allows the market to determine fair value for the destination bond rather than fixing a single clearing rate, adding a layer of price discovery to what is also a refinancing exercise.

The Incentive Package: Higher Coupons, Lower Tax

To make the switch attractive, the CBK has structured the offer around two primary incentives that directly improve investor after-tax returns.

The first is the higher coupon rate. The destination bond pays 12.34% per annum compared to 11.277% on the source bond — a spread of more than one full percentage point. For a large institutional investor with hundreds of millions of shillings committed to government securities, this difference compounds into a materially higher income stream over the remaining life of the investment.

The second incentive is a reduced withholding tax rate. Interest income from the source bond is taxed at 15%, while the destination bond attracts only 10% withholding tax. The practical impact is significant. An investor earning KSh 100,000 in annual interest on the source bond currently hands KSh 15,000 to the Kenya Revenue Authority and keeps KSh 85,000. On the destination bond, the same gross income generates only a KSh 10,000 tax charge, leaving KSh 90,000 in the investor’s account — a 5.9% improvement in net income on the same gross coupon, before even accounting for the higher headline rate.

Together, the two incentives make the destination bond meaningfully more attractive on an after-tax, risk-adjusted basis — particularly for long-term institutional investors such as pension funds and insurance companies that hold fixed-income securities as core portfolio allocations.

Who Can Participate — and How

Participation in the switch is strictly voluntary, and the CBK has confirmed that investors may elect to switch part or all of their face-value holdings in FXD1/2021/005. Eligibility is limited to investors with unencumbered holdings in the source bond as at the March 16 bid deadline — meaning securities that have not been pledged as collateral or otherwise encumbered cannot be tendered.

Bids are submitted through the DhowCSD platform, Kenya’s central securities depository and investor portal. Non-competitive bids — where investors accept the weighted average yield rather than specifying their own — carry minimum amounts of KSh 50,000 and a ceiling of KSh 50 million per CSD account per tenor. Competitive bids, which require investors to quote their target yield, must be at least KSh 2 million per CSD account.

The source bond’s reference yield for the purposes of this switch has been set at 8.0935% with a dirty price of 105.9143, reflecting accrued interest. The destination bond’s pricing will be market-determined, with a pricing table released by the CBK providing indicative clean prices across a yield range of 12.0% to 16.0% for guidance. Accrued interest of KSh 1.9663 per KSh 100 face value will apply to the destination bond, with withholding tax calculated on clean price values.

Successful bidders will see allocation details on the DhowCSD portal on March 16, with portfolios updated on the March 18 settlement date.

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The Bigger Picture: Kenya’s Domestic Debt Burden

The bond switch does not occur in a vacuum. It sits within a broader and increasingly urgent effort by Kenya’s National Treasury and the CBK to restructure the country’s domestic debt maturity profile at a moment when that profile carries genuine systemic risk.

Kenya’s domestic debt hit KSh 7.05 trillion as of February 20, 2026, driven by aggressive issuance of Treasury bills and bonds in recent years. Treasury bonds account for more than 81% of that figure, while the share of Treasury bills has edged higher — a pattern that analysts flag as a warning sign. As of June 2025, the proportion of domestic debt instruments with less than one year to maturity rose to 20.5%, up from 18.6% a year earlier, increasing the government’s exposure to rollover pressure and short-term interest rate volatility.

Kenya’s total public debt stood at KSh 11.81 trillion — 67.8% of GDP — as of June 2025, with interest payments now absorbing between 30 and 35% of tax revenue — a ratio that development economists describe as a constraint on productive spending for education, health, and infrastructure. The 2025 Debt Sustainability Analysis by the IMF assessed Kenya’s debt as sustainable but at high risk of distress.

Against this backdrop, the National Treasury’s 2026–2029 Medium-Term Debt Management Strategy — tabled in Parliament — targets 82% of gross borrowing from the domestic market, with external financing making up just 18%. The strategy explicitly aims to reduce reliance on short-term Treasury bills and shift issuance toward medium- and long-term domestic securities. Bond switch operations like this one are a direct implementation of that policy: they extend maturity without requiring new cash, reduce rollover frequency, and signal to markets that the government is managing its obligations proactively rather than reactively.

Strong Demand for the Destination Bond This Year

The February switch offer comes on the back of already-strong investor appetite for the FXD3/2019/015 bond. In the February 11 auction, the CBK raised KSh 100.5 billion from two long-term bond reopenings, against an advertised target of KSh 50 billion — a more-than-four-times oversubscription driven by institutional investors seeking to lock in attractive fixed-rate yields. For the 15-year paper alone, investors submitted KSh 133.8 billion in bids — more than 2.6 times the amount eventually accepted. That level of demand reinforces the CBK’s confidence that there is a receptive market for longer-dated paper and that the switch offer is unlikely to face significant buyer resistance.

Earlier in the year, Kenya’s first bond auction of 2026 — held on January 12 — also significantly overperformed, attracting KSh 71.5 billion in bids against a KSh 60 billion target. The CBK accepted KSh 60.58 billion, with investor demand concentrated at the long end of the yield curve — consistent with expectations of future rate cuts and reflecting the preference of pension funds and insurance companies for longer-duration, higher-yielding assets.

The IMF Dimension

The bond switch is also unfolding against the backdrop of Kenya’s ongoing engagement with the International Monetary Fund over a new loan programme. An IMF staff mission arrived in Nairobi on February 24, 2026 — just days before the bond switch auction opened — to begin formal negotiations on a successor arrangement after Kenya’s previous KSh 3.6 billion ($3.6 billion) Extended Fund Facility expired in April 2025 without completion of its ninth and final review. Kenya failed to meet 11 of 16 performance conditions agreed with the Fund, and the final disbursement of approximately $850 million was withheld.

The talks, running until March 4, aim to craft an entirely new programme aligned with Kenya’s current fiscal priorities. Treasury Principal Secretary Dr. Chris Kiptoo confirmed that any new arrangement would be a fresh programme, not a revival of the lapsed one. According to the Dawan Africa report on the IMF mission, a key focus of the discussions is Kenya’s debt sustainability and rollover risk — the same structural vulnerabilities that the CBK’s switch auction is designed to address on the domestic front.

Analysts note that securing a new IMF arrangement would not only provide direct budget support but could also act as a catalyst for additional external financing — including approximately $800 million from the World Bank and a potential $1.5 billion facility from the United Arab Emirates — that has been held in abeyance pending a credible multilateral anchor. For the domestic debt market, a successful IMF deal would likely reduce borrowing costs and ease the pressure on the CBK to offer increasingly attractive terms to local investors.

What This Means for Kenya’s Fiscal Trajectory

The KSh 15 billion switch auction is a relatively modest instrument in the context of Kenya’s overall debt stock, but its significance is more symbolic and structural than purely financial. It signals that the government is willing to use market incentives — a higher coupon, a lower tax rate — to actively reshape its liability profile rather than simply allowing bonds to mature and rolling the resulting obligation into new short-dated issuance.

If successful, the operation will reduce the November 2026 redemption pressure, extend Kenya’s average domestic debt maturity, and contribute — even if marginally — to the government’s stated target of reducing the share of debt maturing within one year. Combined with the ongoing oversubscription of long-term bond auctions and the prospective support of a new IMF programme, Kenya’s domestic debt management may be at a genuine inflection point. Whether that inflection leads to a sustained improvement in the country’s fiscal position will depend on whether the structural reforms that have historically proved elusive — revenue collection, expenditure rationalization, and governance improvements — can be delivered alongside the financial engineering.

For now, the bond switch offers investors a clear and immediate benefit: more income, less tax, and a longer runway to earn it.

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By: Montel Kamau

Serrari Financial Analyst

2nd March, 2026