Reason0232026
Diezani Alison-Madueke
Petroleum minister 2010–2015 under President Goodluck Jonathan; first female president of OPEC. Stands trial at Southwark Crown Court (London) on a five-count UK Bribery Act charge alongside oil executive Olatimbo Ayinde and her brother Doye Agama, accused of accepting £11.5m in benefits from oil businessmen in exchange for contract advantages. The trial — the culmination of a decade-long UK NCA International Corruption Unit investigation — opened 27 January 2026; closing arguments closed 13 May 2026; the jury is now considering its verdict. All three defendants plead not guilty. Defence counsel Jonathan Laidlaw KC attacked the prosecution's evidence chain and the NCA's preservation of materials; lead prosecutor Alexandra Healy reiterated that some oil executives provided improper benefits while their companies benefited from contracts she supervised. A verdict is expected 'in the coming days'.
Sources
- SOURCE-01TheCable (2026-05-13)
- TheCable, 13 May 2026www.thecable.ng/diezanis-counsel-faults-uk-prosecutors-over-missing-evidence-as-jury-set-for-final-verdict/
- SOURCE-02TheNiche (2026-05)
- TheNiche (2026-05)thenicheng.com/diezani-jury-set-for-final-verdict-within-days-after-defence-prosecutors-close-case/
- SOURCE-03TV360 Nigeria (2026-05)
- TV360 Nigeria (2026-05)www.tv360nigeria.com/alleged-bribery-former-minister-diezani-alison-madueke-awaits-verdict-as-uk-trial-concludes/
- SOURCE-04Spotlight on Corruption (2026)
- Spotlight on Corruption, 2026www.spotlightcorruption.org/alison-madueke-trial-is-vital-sign/
- SOURCE-05Lawyard (2026)
- Lawyard, 2026www.lawyard.org/news/diezani-alison-maduekes-defence-challenges-prosecution-evidence-in-london-corruption-trial/
- SOURCE-06THISDAY Live (2026-05-12)
- THISDAY Live, 12 May 2026www.thisdaylive.com/2026/05/12/jury-enters-final-stage-as-judge-sets-directions-in-diezani-alison-maduekes-trial/
- SOURCE-07Reuters / MarketScreener (2026-05-18)
- Reuters / MarketScreener, 18 May 2026www.marketscreener.com/news/jury-begins-deliberations-in-bribery-trial-of-nigeria-s-ex-oil-minister-alison-madueke-ce7f5adadd8bf320
- SOURCE-08OCCRP — Organized Crime and Corruption Reporting Project (2023-08)
- OCCRP — Organized Crime and Corruption Reporting Project (2023-08)www.occrp.org/en/news/uk-lays-bribery-charges-on-ex-nigerian-oil-minister-diezani-alison-madueke
- SOURCE-09SaharaReporters (2018-02-04)
- SaharaReporters, 4 February 2018saharareporters.com/2018/02/04/alleged-corruption-heda-seeks-investigation-addax-petroleum-nigerian-officials
- SOURCE-10Politics Nigeria (2026) — Exclusive
- Politics Nigeria (2026) — Exclusivepoliticsnigeria.com/exclusive-olatimbo-ayinde-alleged-mistress-once-declared-wanted-for-fraud-with-links-to-diezani-allison-madueke/
- SOURCE-11allAfrica / US Court Documents (2017-08-17)
- allAfrica / US Court Documents, 17 August 2017allafrica.com/stories/201708170043.html
- SOURCE-12JURIST — News from Law Schools and Law Professors (2026-05)
- JURIST — News from Law Schools and Law Professors (2026-05)www.jurist.org/news/2026/04/former-nigeria-oil-minister-denies-bribery-allegations-in-london-court/
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