In its ruling, the three-judge bench emphasised that limited circulation of defamatory material may justify lower compensation awards.
The ruling came in the appeal between Paul Matumbi and Henry Tanui, which arose from allegations made in a letter sent to the senior management of Consolidated Bank of Kenya.
Court documents show that the dispute began in 2008 when Matumbi, the appellant, wrote a letter to the bank’s managing director, copied to the Board Chairman, alleging that Tanui, the respondent, had questionable academic qualifications and solicited handouts under the guise of lunches and harambees.
Tanui, then Head of Credit at the bank at the time, denied the allegations and sued for defamation, claiming the letter damaged his professional reputation.
The High Court of Kenya initially ruled in favor of Tanui, awarding sh6,000,000 in general damages and Sh1,500,000 in exemplary damages.
The court found that the letter was defamatory per se and caused both reputational harm and personal distress.
The High Court’s award, particularly the high general damages and the punitive exemplary damages, was challenged by Matumbi on appeal.
At the appellate hearing, Matumbi, through his lawyer, argued that the High Court erred in its findings.
He contended that the letter constituted a complaint to persons with a corresponding interest and was therefore protected by qualified privilege.
He further submitted that grievances communicated to an employer regarding the conduct of an employee fall within the protection of law so long as they are made in good faith.
"He (Matumbi) maintained that the contents of the letter were true; denied malice; and asserted that the letter was written in good faith," court records show.
The appellant’s team also argued that the Tanui failed to prove the falsity of the allegations and that there was no evidence of actual damage to his reputation.
They maintained that the award of Sh6,000,000 in general damages was excessive, given the limited audience of the letter, and that exemplary damages were unjustified, as the appellant did not stand to gain financially or act oppressively.
In response, Tanui's counsel submitted that the allegations in the letter were serious and defamatory per se, as they accused Tanui of professional incompetence.
He argued that justification had not been established, as the appellant could not produce credible evidence proving the truth of the allegations.
The respondent further contended that qualified privilege was not done in good faith, which could be inferred from the tone and language of the letter, as well as the circumstances in which it was sent.
The respondent’s counsel emphasised that Tanui suffered reputational injury and emotional distress, was formally called to account by the bank’s Managing Director and disciplinary committee, and ultimately left his employment for a lower-paying position, which compounded the harm.
"The respondent testified that upon receipt of the impugned letter, he was summoned by the Managing Director and the disciplinary committee of the Bank to respond to the allegations. He denied ever soliciting bribes or handouts; denied that his academic qualifications were doubtful; and stated that he was cleared of any wrongdoing," reads the judgement.
In its February 2026 judgment, the Court of Appeal upheld the finding that the letter was defamatory and that Tanui had established each element of defamation, including publication, reference to the claimant, and falsity.
The court noted that the appellant sent the letter without verifying the truth of the allegations.
The impugned letter was sent to third parties — the Managing Director and Board Chairman — which satisfied the publication requirement.
It expressly identified Tanui and made allegations that, objectively and in context, were defamatory, striking directly at his academic and professional integrity.
Evidence tendered by Tanui confirmed his qualifications, while the appellant’s claim of truth relied on an outdated curriculum vitae that did not displace the respondent’s proof.
Similarly, the bench noted that allegations that the respondent solicited handouts were unsupported and uncorroborated, leading the court to reject the defence of justification.
The court also rejected the appellant’s claim of qualified privilege.
While it recognised that grievances may, in appropriate circumstances, be communicated to persons with a corresponding interest, it held that the privilege is defeated where malice is proven.
The appellant had admitted writing the letter in anger, and the court found that the tone and content went beyond what was necessary to ventilate a grievance.
On damages, the Court of Appeal affirmed the principle that defamation causes presumed reputational injury, meaning that the plaintiff need not prove actual harm to be entitled to compensation.
In this case, however, there was evidence of tangible harm: the respondent was called before the bank’s disciplinary committee, suffered embarrassment, and subsequently left his position for lower remuneration.
Nonetheless, the appellate court emphasised proportionality and comparability, noting that the defamatory material reached only a limited audience.
There was limited wider public dissemination, and the allegations, while serious, were confined in scope.
Applying these principles, the Court of Appeal reduced general damages from Sh6,000,000 to Sh3,000,000.
The court concluded that the original award was disproportionate given the limited publication, while the reduced amount still sufficiently vindicated the respondent’s reputation and compensated for distress.
"Applying the consolidated principles set out earlier, and bearing in mind the seriousness of the allegations, the respondent’s professional standing, the limited extent of publication, and the need to avoid disproportionate awards that may unduly chill lawful expression, we are satisfied that an award of Sh3,000,000 as general damages strikes the appropriate balance," the judges ruled.
Regarding exemplary damages, the appellate court found that malice alone was insufficient to justify punitive compensation.
The court explained that exemplary damages are reserved for exceptional cases where the defendant acts oppressively, arbitrarily, or for financial gain.
Since the appellant’s conduct, while improper, did not meet this threshold, the Sh1,500,000 award was set aside in its entirety.
