Economic Security — 11 Sep 2026 12:24Z

**PIS SITUATION REPORT — 111223ZSEP2026**

**SUBJECT: ENERGY SUPPLY CHAIN ESCALATION (BEYOND CRUDE PRICE)**

**BLUF:** The escalation has transitioned from a price-driven volatility event to a structural threat to global energy transit. The seizure of Mayyun Island by Ansarallah forces effectively grants them control over the Bab al-Mandeb (BAM) chokepoint, jeopardizing the Suez Canal (SC) energy corridor.

**1. MARITIME CHOKEPOINT DISRUPTION (BAM & SoH)**

• **Bab al-Mandeb (BAM):** Ansarallah forces have seized Mayyun Island, completing control over the BAM. **SO WHAT:** This provides a platform for sustained interdiction of tankers. Energy shipments (Crude and Liquefied Natural Gas (LNG)) face high-probability interception or prohibitive insurance premiums, forcing rerouting around the Cape of Good Hope (COGH). This adds ~10–14 days to transit, effectively reducing global tanker capacity by ~5–8% due to longer voyage cycles.
• **Strait of Hormuz (SoH):** Kinetic strikes on U.S. assets in the SoH indicate Iran is testing the threshold for maritime blockade. **SO WHAT:** Any disruption here directly threatens the primary exit for Persian Gulf oil/LNG, potentially causing a global supply shock that exceeds current Brent Crude ($109.51/bbl) pricing models.

**2. FINANCIAL & ASYMMETRIC LEVERAGE**

• **Sanctions Impact:** The bankruptcy of Bank Sepah’s European hub due to EU/U.S. sanctions, coupled with UN Security Council enforcement, is tightening Iran's financial liquidity. **SO WHAT:** Iran is likely to utilize "asymmetric" maritime disruption in the SoH and BAM as a primary tool to regain economic leverage and force sanctions relief.

**CONFIDENCE: MODERATE**

*(Reasoning: High corroboration on BAM seizure/MBS calls; kinetic SoH activity requires further verification of scale.)*