Pepperstone Historical Data Mismatch

There is a mismatch between data available on my Pepperstone MT4 platform and the tick data I downloaded from Pepperstone website. (Available here: https://pepperstone.com/en/client-re...ical-tick-data )

For example, lets take EURUSD M1 period data for 2016-09-01 00:00 GMT (Available in EURUSD-2016-09.zip on above link.):
Open = 1.11567
High = 1.11567
Low = 1.11554
Close = 1.11567
Volume = 377 (Number of ticks for the M1 period 2016-09-01 00:00 GMT)

However, on my MT4 platform, the data for the same period is as follows: (Since Pepperstone uses GMT +3 server time in September, above period is represented by 2016-09-01 03:00 on MT4 platform.)

Open = 1.11565
High = 1.11567
Low = 1.11556
Close = 1.11567
Volume = 63

What is the reason for this mismatch? I have a Pepperstone Razor account.

P.S. Is there any place where I can download Pepperstone M1 data instead of tick data?

They can correct tick data in their MT4 platform in case there was high volatility or smth else, while they don't bother with correcting their tick data as well as it serves for general information purposes.
Anyway you can always change your broker if you don't like them.