THE NEWS

According to Marine Insight, the final version of the agreement between the United States and Iran may allow Tehran to collect fees related to maritime services in the Strait of Hormuz. The information comes from a person familiar with the negotiations, cited by Iran's Fars News Agency. The deal was announced after nearly four months of conflict between the two countries and is expected to open the path toward talks on Iran's nuclear programme and possible sanctions relief.

Only limited details have been officially released. Iranian media have reported what they describe as parts of a 14-point framework. According to the source quoted by Fars, last-minute changes to the final text gave greater emphasis to the role of Iran and Oman in managing the strait. Earlier drafts reportedly referenced Iranian authority, but the final version states that the future administration of maritime services in the Strait of Hormuz will be decided by Iran and Oman jointly. Iran is said to regard the term "maritime services" as recognition of its right to collect related fees from passing vessels.

The reported arrangement includes a 60-day window during which ships may pass without charges. After that period, Iran is expected to begin collecting revenue through services linked to safety, navigation, environmental protection, and insurance. US President Donald Trump stated that the strait would be open "toll free" following the agreement, and also said the deal would end the US naval blockade on Iranian ports. Iran's Deputy Foreign Minister confirmed an agreement has been reached but noted that implementation begins only after formal signing. The United States has not publicly commented on the reported fee provisions, and the full text of the agreement has not been released.

WHY IT MATTERS

The structural ambiguity in this agreement is, itself, the story. Two parties to the same deal are describing it in materially different terms: Washington characterises the outcome as toll-free passage; Tehran, through its state-affiliated media, frames the "maritime services" language as a formal recognition of a fee-collection right. Until the full text is published and both governments align on a common interpretation, the operational reality for shipping companies remains unresolved.

For the global crude market, that ambiguity carries real weight. The Strait of Hormuz is the principal transit point for a substantial share of seaborne oil and LNG exports from the Persian Gulf. Any cost mechanism applied to passage — even one framed as a service charge rather than a toll — would represent a structural shift in the economics of that route. Tanker operators, cargo insurers, and commodity traders will be pricing in scenario risk until the 60-day window closes and the post-grace-period regime becomes clear.

For Brazilian operators and Petrobras specifically, the channel through which Hormuz dynamics transmit is primarily the Brent benchmark and its influence on pre-sal pricing. Brazil's offshore production is not routed through the strait, but Brazilian crude is priced against international benchmarks that respond to Persian Gulf supply-chain friction. A sustained cost layer on Hormuz transits — even a modest one — would add a floor to global oil prices that benefits producers with low-breakeven deepwater assets. Pre-sal fields, with their established production profiles and relatively competitive lifting costs, sit in a structurally advantaged position if freight and insurance costs on competing supply routes rise.

The insurance dimension deserves particular attention. War-risk and passage-risk premiums for the Persian Gulf corridor have been elevated for some time. If the post-60-day regime introduces formally administered fees — regardless of how they are labelled — underwriters will need to reassess how those charges interact with existing policy structures. P&I clubs and hull underwriters active in the region are likely already modelling the scenarios. Brazilian operators with exposure to spot LNG procurement or crude trading desks watching Middle Eastern differentials will want to track how the insurance market responds once the grace period approaches its end.

Oman's role in the arrangement adds a layer of diplomatic complexity that is worth noting. Muscat has historically served as a back-channel between Washington and Tehran, and its formal inclusion in the administration of Hormuz maritime services is a departure from prior arrangements. Whether that inclusion functions as a moderating influence on fee-setting or as a co-signatory to a revenue-sharing structure is not yet clear from the available reporting. The answer matters for how predictable and contestable any future charge regime would be under international maritime law.

The 60-day window itself creates a near-term calendar pressure point. Shipping companies and their charterers will need to decide, before that window closes, whether to route cargoes through Hormuz, absorb potential charges, or explore alternative logistics. For LNG buyers in Asia — a market where Brazilian pre-sal gas competes at the margin — any disruption or cost addition on the Persian Gulf corridor could shift spot purchasing patterns in ways that affect Brazilian LNG project economics over the medium term.

CONTEXT

The Hormuz strait has periodically been the subject of competing jurisdictional claims, with Iran asserting a supervisory role and international maritime conventions affirming the right of transit passage for all vessels. The introduction of a "maritime services" framework, if formalised, would represent a novel mechanism — distinct from the outright closure scenarios that markets have stress-tested in the past, but also distinct from the fully open passage that has been the baseline assumption for most of the past decade.

Brazilian energy planners and logistics teams have navigated Persian Gulf volatility before, most recently during the 2019 tanker incidents and the 2020 price shock. The current situation differs in that it involves a negotiated framework rather than an acute crisis, which means the timeline for resolution — and for market recalibration — is likely to be measured in weeks and months rather than days. That slower cadence gives Brazilian operators more time to assess exposure, but also means the uncertainty will persist longer in freight and insurance pricing.

Source: MARINE INSIGHT