Update on litigation Intimation regarding Appeal filed by Commissioner of Customs, Nhava Seva, Raigad, Maharashtra

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PROSTARM · price

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Price reactionminutes from the announcement price · days from the prior close

-0.1%Reaction day

₹147.10

prior close

₹143.10

announcement price

After-mkt

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Nifty Microcap 250market · in no size index; the smallest one is used-0.0%-0.1% vs market

Other Electrical Equipment peers, median of 50sector+0.5%-0.6% vs sector

On the reaction day the stock moved 0.1 pts less than Nifty Microcap 250 and 0.6 pts less than its Other Electrical Equipment peers, over the same two closes: a difference in percentage points, not a measure of what the filing did.

Minutes after the announcementfrom the announcement price · no benchmark

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15m

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Sessions after the filingfrom the prior close

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Reaction day

-0.1-0.0-0.1+0.5-0.6

Next day

+4.7+2.5+2.2+2.7+2.0

+4.6+3.7+0.8+4.6-0.1

+5.0+4.9+0.0+6.7-1.7

+2.0+4.3-2.4+5.4-3.4

+3.6+5.5-1.9+6.5-2.9

+7.0+6.6+0.4+7.2-0.2

15d

+6.9+10.3-3.3+10.1-3.2

+1.8+7.7-5.9+7.1-5.3

-2.8+13.7-16.4+6.7-9.5

-10.6+19.1-29.7+8.1-18.7

UpDownMarket · Nifty Microcap 250Sector · Other Electrical Equipment peers, median of 50Pending

Minute windows have no benchmark: there is no intraday index history to compare against.

AI summary

The Customs Department has filed an appeal against a favorable order the company received. In August 2025, Prostarm Info Systems got an Order-In-Original confirming zero liability for a disputed customs duty amount of INR 25.66 Crores, with all proceedings against the company dropped. This originated from a Show Cause Notice dated May 21, 2024. Now the Customs Department has challenged that order by filing an appeal before the Customs, Excise and Service Tax Appellate Tribunal, Mumbai. The company is currently evaluating its next steps in response to this appeal.

Likely market impact

The appeal introduces fresh legal uncertainty around the INR 25.66 Crore customs dispute. While the original order was in the company's favor, an adverse appellate ruling could expose Prostarm to significant financial liability, making this a watch item for investors.